87715532 has 6 divisors (see below), whose sum is σ = 153502188. Its totient is φ = 43857764.

The previous prime is 87715519. The next prime is 87715543. The reversal of 87715532 is 23551778.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10964438 + ... + 10964445.

It is an arithmetic number, because the mean of its divisors is an integer number (25583698).

Almost surely, 2^87715532 is an apocalyptic number.

It is an amenable number.

87715532 is a deficient number, since it is larger than the sum of its proper divisors (65786656).

87715532 is a wasteful number, since it uses less digits than its factorization.

87715532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21928887 (or 21928885 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 87715532 is about 9365.6570511630. The cubic root of 87715532 is about 444.3162195562.

The spelling of 87715532 in words is "eighty-seven million, seven hundred fifteen thousand, five hundred thirty-two".