87579632 has 20 divisors (see below), whose sum is σ = 193926576. Its totient is φ = 37534080.

The previous prime is 87579599. The next prime is 87579697. The reversal of 87579632 is 23697578.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 390869 + ... + 391092.

Almost surely, 2^87579632 is an apocalyptic number.

It is an amenable number.

87579632 is an abundant number, since it is smaller than the sum of its proper divisors (106346944).

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

87579632 is a wasteful number, since it uses less digits than its factorization.

87579632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781976 (or 781970 counting only the distinct ones).

The product of its digits is 635040, while the sum is 47.

The square root of 87579632 is about 9358.3990083774. The cubic root of 87579632 is about 444.0866373152.

The spelling of 87579632 in words is "eighty-seven million, five hundred seventy-nine thousand, six hundred thirty-two".