87502772 has 12 divisors (see below), whose sum is σ = 175005600. Its totient is φ = 37501176.

The previous prime is 87502769. The next prime is 87502777. The reversal of 87502772 is 27720578.

87502772 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87502777) 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, 1562522 + ... + 1562577.

It is an arithmetic number, because the mean of its divisors is an integer number (14583800).

Almost surely, 2^87502772 is an apocalyptic number.

It is an amenable number.

87502772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87502772 is a wasteful number, since it uses less digits than its factorization.

87502772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125110 (or 3125108 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 87502772 is about 9354.2916353939. The cubic root of 87502772 is about 443.9566889549.

The spelling of 87502772 in words is "eighty-seven million, five hundred two thousand, seven hundred seventy-two".