87617532 has 48 divisors (see below), whose sum is σ = 211986432. Its totient is φ = 28136640.

The previous prime is 87617521. The next prime is 87617567. The reversal of 87617532 is 23571678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117553 + ... + 118295.

It is an arithmetic number, because the mean of its divisors is an integer number (4416384).

Almost surely, 2^87617532 is an apocalyptic number.

It is an amenable number.

87617532 is an abundant number, since it is smaller than the sum of its proper divisors (124368900).

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

87617532 is a wasteful number, since it uses less digits than its factorization.

87617532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 87617532 is about 9360.4237083585. The cubic root of 87617532 is about 444.1506874294.

The spelling of 87617532 in words is "eighty-seven million, six hundred seventeen thousand, five hundred thirty-two".