87375664 has 10 divisors (see below), whose sum is σ = 169290380. Its totient is φ = 43687824.

The previous prime is 87375649. The next prime is 87375667. The reversal of 87375664 is 46657378.

It is not an unprimeable number, because it can be changed into a prime (87375667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2730474 + ... + 2730505.

It is an arithmetic number, because the mean of its divisors is an integer number (16929038).

Almost surely, 2^87375664 is an apocalyptic number.

It is an amenable number.

87375664 is a deficient number, since it is larger than the sum of its proper divisors (81914716).

87375664 is a wasteful number, since it uses less digits than its factorization.

87375664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460987 (or 5460981 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 87375664 is about 9347.4950655242. The cubic root of 87375664 is about 443.7416184623.

The spelling of 87375664 in words is "eighty-seven million, three hundred seventy-five thousand, six hundred sixty-four".