87515008 has 32 divisors (see below), whose sum is σ = 199254960. Its totient is φ = 37506048.

The previous prime is 87515003. The next prime is 87515009. The reversal of 87515008 is 80051578.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87515003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47941 + ... + 49732.

Almost surely, 2^87515008 is an apocalyptic number.

It is an amenable number.

87515008 is an abundant number, since it is smaller than the sum of its proper divisors (111739952).

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

87515008 is an equidigital number, since it uses as much as digits as its factorization.

87515008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97694 (or 97682 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 87515008 is about 9354.9456438827. The cubic root of 87515008 is about 443.9773816360.

The spelling of 87515008 in words is "eighty-seven million, five hundred fifteen thousand, eight".