87796920 has 64 divisors (see below), whose sum is σ = 272484000. Its totient is φ = 22604288.

The previous prime is 87796913. The next prime is 87796937. The reversal of 87796920 is 2969778.

It is a super-2 number, since 2×87796920² = 15416598322972800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87796920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9135 + ... + 16094.

Almost surely, 2^87796920 is an apocalyptic number.

It is an amenable number.

87796920 is an abundant number, since it is smaller than the sum of its proper divisors (184687080).

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

87796920 is a wasteful number, since it uses less digits than its factorization.

87796920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25272 (or 25268 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 87796920 is about 9370.0010672358. The cubic root of 87796920 is about 444.4535986077.

The spelling of 87796920 in words is "eighty-seven million, seven hundred ninety-six thousand, nine hundred twenty".