Discover a lot of information on the number 87: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 87

Questions and answers |

Is 87 a prime number? |
No |

Is 87 a perfect number? |
No |

Number of divisors |
4 |

List of dividers |
1, 3, 29, 87 |

Sum of divisors |
120 |

Prime factorization |
3 x 29 |

Prime factors |
3, 29 |

## How to write / spell 87 in letters?

In letters, the number 87 is written as: Eighty-seven. And in other languages? how does it spell?

87 in other languages |

Write 87 in english |
Eighty-seven |

Write 87 in french |
Quatre-vingt-sept |

Write 87 in spanish |
Ochenta y siete |

Write 87 in portuguese |
Oitenta e sete |

## Decomposition of the number 87

The number 87 is composed of:

1 iteration **of the number 8** : The number 8 (eight) represents power, ambition. It symbolizes balance, realization.... Find out more about the number 8

1 iteration **of the number 7** : The number 7 (seven) represents faith, teaching. It symbolizes reflection, the spiritual life.... Find out more about the number 7

## Mathematical representations and links

Other ways to write 87 |

In letter |
Eighty-seven |

In roman numeral |
LXXXVII |

In binary |
1010111 |

In octal |
127 |

In hexadecimal |
57 |

In US dollars |
USD 87.00 ($) |

In euros |
87,00 EUR (€) |

Some related numbers |

Previous number |
86 |

Next number |
88 |

Next prime number |
89 |

## Mathematical operations

Operations and solutions |

87*2 |
= |
174 |
The double of 87 is 174 |

87*3 |
= |
261 |
The triple of 87 is 261 |

87/2 |
= |
43.5 |
The half of 87 is 43.500000 |

87/3 |
= |
29 |
The third of 87 is 29.000000 |

87^{2} |
= |
7569 |
The square of 87 is 7569.000000 |

87^{3} |
= |
658503 |
The cube of 87 is 658503.000000 |

√87 |
= |
9.3273790530888 |
The square root of 87 is 9.327379 |

log(87) |
= |
4.4659081186546 |
The natural (Neperian) logarithm of 87 is 4.465908 |

log10(87) |
= |
1.9395192526186 |
The decimal logarithm (base 10) of 87 is 1.939519 |

sin(87) |
= |
-0.82181783663082 |
The sine of 87 is -0.821818 |

cos(87) |
= |
0.56975033426531 |
The cosine of 87 is 0.569750 |

tan(87) |
= |
-1.4424174716642 |
The tangent of 87 is -1.442417 |