87899936 has 12 divisors (see below), whose sum is σ = 173053062. Its totient is φ = 43949952.

The previous prime is 87899923. The next prime is 87899953. The reversal of 87899936 is 63999878.

It can be written as a sum of positive squares in only one way, i.e., 72250000 + 15649936 = 8500^2 + 3956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373405 + ... + 1373468.

Almost surely, 2^87899936 is an apocalyptic number.

It is an amenable number.

87899936 is a deficient number, since it is larger than the sum of its proper divisors (85153126).

87899936 is a wasteful number, since it uses less digits than its factorization.

87899936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746883 (or 2746875 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 59.

The square root of 87899936 is about 9375.4965735155. The cubic root of 87899936 is about 444.6273630028.

The spelling of 87899936 in words is "eighty-seven million, eight hundred ninety-nine thousand, nine hundred thirty-six".