87907164 has 24 divisors (see below), whose sum is σ = 205286928. Its totient is φ = 29278080.

The previous prime is 87907117. The next prime is 87907181. The reversal of 87907164 is 46170978.

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, 17674 + ... + 22094.

It is an arithmetic number, because the mean of its divisors is an integer number (8553622).

Almost surely, 2^87907164 is an apocalyptic number.

It is an amenable number.

87907164 is an abundant number, since it is smaller than the sum of its proper divisors (117379764).

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

87907164 is a wasteful number, since it uses less digits than its factorization.

87907164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6085 (or 6083 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 87907164 is about 9375.8820385071. The cubic root of 87907164 is about 444.6395498850.

The spelling of 87907164 in words is "eighty-seven million, nine hundred seven thousand, one hundred sixty-four".