87472944 has 60 divisors (see below), whose sum is σ = 263639376. Its totient is φ = 26914176.

The previous prime is 87472943. The next prime is 87472991. The reversal of 87472944 is 44927478.

It is a self number, because there is not a number n which added to its sum of digits gives 87472944.

It is not an unprimeable number, because it can be changed into a prime (87472943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21492 + ... + 25235.

Almost surely, 2^87472944 is an apocalyptic number.

It is an amenable number.

87472944 is an abundant number, since it is smaller than the sum of its proper divisors (176166432).

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

87472944 is a wasteful number, since it uses less digits than its factorization.

87472944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46754 (or 46745 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 87472944 is about 9352.6971510896. The cubic root of 87472944 is about 443.9062378100.

The spelling of 87472944 in words is "eighty-seven million, four hundred seventy-two thousand, nine hundred forty-four".