87115 has 16 divisors (see below), whose sum is σ = 126720. Its totient is φ = 56160.

The previous prime is 87107. The next prime is 87119. The reversal of 87115 is 51178.

87115 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 87115 - 2³ = 87107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (7920).

2⁸⁷¹¹⁵ is an apocalyptic number.

87115 is a deficient number, since it is larger than the sum of its proper divisors (39605).

87115 is a wasteful number, since it uses less digits than its factorization.

87115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162.

The product of its digits is 280, while the sum is 22.

The square root of 87115 is about 295.1525029540. The cubic root of 87115 is about 44.3299913939.

Subtracting from 87115 its reverse (51178), we obtain a cube (35937 = 33³).

It can be divided in two parts, 87 and 115, that added together give a palindrome (202).

The spelling of 87115 in words is "eighty-seven thousand, one hundred fifteen".