87513772 has 48 divisors (see below), whose sum is σ = 168044800. Its totient is φ = 39735360.

The previous prime is 87513763. The next prime is 87513799. The reversal of 87513772 is 27731578.

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, 199129 + ... + 199567.

Almost surely, 2^87513772 is an apocalyptic number.

It is an amenable number.

87513772 is a deficient number, since it is larger than the sum of its proper divisors (80531028).

87513772 is a wasteful number, since it uses less digits than its factorization.

87513772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 564 counting only the distinct ones).

The product of its digits is 82320, while the sum is 40.

The square root of 87513772 is about 9354.8795823356. The cubic root of 87513772 is about 443.9752914854.

The spelling of 87513772 in words is "eighty-seven million, five hundred thirteen thousand, seven hundred seventy-two".