87368512 has 56 divisors (see below), whose sum is σ = 216164160. Its totient is φ = 34037760.

The previous prime is 87368483. The next prime is 87368521. The reversal of 87368512 is 21586378.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3937 + ... + 13792.

Almost surely, 2^87368512 is an apocalyptic number.

It is an amenable number.

87368512 is an abundant number, since it is smaller than the sum of its proper divisors (128795648).

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

87368512 is a wasteful number, since it uses less digits than its factorization.

87368512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759 (or 17749 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 87368512 is about 9347.1124953111. The cubic root of 87368512 is about 443.7295108704.

The spelling of 87368512 in words is "eighty-seven million, three hundred sixty-eight thousand, five hundred twelve".