87633560 has 48 divisors (see below), whose sum is σ = 229372560. Its totient is φ = 30045120.

The previous prime is 87633547. The next prime is 87633569. The reversal of 87633560 is 6533678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87633569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20396 + ... + 24315.

It is an arithmetic number, because the mean of its divisors is an integer number (4778595).

Almost surely, 2^87633560 is an apocalyptic number.

It is an amenable number.

87633560 is an abundant number, since it is smaller than the sum of its proper divisors (141739000).

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

87633560 is a wasteful number, since it uses less digits than its factorization.

87633560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44736 (or 44725 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 87633560 is about 9361.2798270322. The cubic root of 87633560 is about 444.1777688175.

The spelling of 87633560 in words is "eighty-seven million, six hundred thirty-three thousand, five hundred sixty".