87933128 has 16 divisors (see below), whose sum is σ = 167670000. Its totient is φ = 43221136.

The previous prime is 87933113. The next prime is 87933169. The reversal of 87933128 is 82133978.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92678 + ... + 93621.

It is an arithmetic number, because the mean of its divisors is an integer number (10479375).

Almost surely, 2^87933128 is an apocalyptic number.

It is an amenable number.

87933128 is a deficient number, since it is larger than the sum of its proper divisors (79736872).

87933128 is a wasteful number, since it uses less digits than its factorization.

87933128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186364 (or 186360 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 87933128 is about 9377.2665526794. The cubic root of 87933128 is about 444.6833213834.

The spelling of 87933128 in words is "eighty-seven million, nine hundred thirty-three thousand, one hundred twenty-eight".