87920524 has 12 divisors (see below), whose sum is σ = 161959000. Its totient is φ = 41646528.

The previous prime is 87920501. The next prime is 87920527. The reversal of 87920524 is 42502978.

It is not an unprimeable number, because it can be changed into a prime (87920527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578349 + ... + 578500.

Almost surely, 2^87920524 is an apocalyptic number.

It is an amenable number.

87920524 is a deficient number, since it is larger than the sum of its proper divisors (74038476).

87920524 is a wasteful number, since it uses less digits than its factorization.

87920524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156872 (or 1156870 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 87920524 is about 9376.5944777408. The cubic root of 87920524 is about 444.6620739630.

The spelling of 87920524 in words is "eighty-seven million, nine hundred twenty thousand, five hundred twenty-four".