87615232 has 36 divisors (see below), whose sum is σ = 184103080. Its totient is φ = 41499648.

The previous prime is 87615221. The next prime is 87615233. The reversal of 87615232 is 23251678.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87615233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4143 + ... + 13870.

Almost surely, 2^87615232 is an apocalyptic number.

It is an amenable number.

87615232 is an abundant number, since it is smaller than the sum of its proper divisors (96487848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87615232 is a wasteful number, since it uses less digits than its factorization.

87615232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18048 (or 18034 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 87615232 is about 9360.3008498659. The cubic root of 87615232 is about 444.1468010097.

The spelling of 87615232 in words is "eighty-seven million, six hundred fifteen thousand, two hundred thirty-two".