87732976 has 40 divisors (see below), whose sum is σ = 177766400. Its totient is φ = 41895360.

The previous prime is 87732919. The next prime is 87732979. The reversal of 87732976 is 67923778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87732979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38065 + ... + 40303.

It is an arithmetic number, because the mean of its divisors is an integer number (4444160).

Almost surely, 2^87732976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87732976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88883200).

87732976 is an abundant number, since it is smaller than the sum of its proper divisors (90033424).

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

87732976 is a wasteful number, since it uses less digits than its factorization.

87732976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357 (or 2351 counting only the distinct ones).

The product of its digits is 889056, while the sum is 49.

The square root of 87732976 is about 9366.5882796246. The cubic root of 87732976 is about 444.3456713466.

The spelling of 87732976 in words is "eighty-seven million, seven hundred thirty-two thousand, nine hundred seventy-six".