87472856 has 16 divisors (see below), whose sum is σ = 165210840. Its totient is φ = 43416640.

The previous prime is 87472823. The next prime is 87472867. The reversal of 87472856 is 65827478.

It is a self number, because there is not a number n which added to its sum of digits gives 87472856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38810 + ... + 41001.

Almost surely, 2^87472856 is an apocalyptic number.

It is an amenable number.

87472856 is a deficient number, since it is larger than the sum of its proper divisors (77737984).

87472856 is a wasteful number, since it uses less digits than its factorization.

87472856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79954 (or 79950 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 87472856 is about 9352.6924465632. The cubic root of 87472856 is about 443.9060889497.

The spelling of 87472856 in words is "eighty-seven million, four hundred seventy-two thousand, eight hundred fifty-six".