87233988 has 24 divisors (see below), whose sum is σ = 204004192. Its totient is φ = 29012544.

The previous prime is 87233983. The next prime is 87233989. The reversal of 87233988 is 88933278.

It is not an unprimeable number, because it can be changed into a prime (87233981) 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, 2470 + ... + 13437.

Almost surely, 2^87233988 is an apocalyptic number.

It is an amenable number.

87233988 is an abundant number, since it is smaller than the sum of its proper divisors (116770204).

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

87233988 is a wasteful number, since it uses less digits than its factorization.

87233988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371 (or 16369 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 87233988 is about 9339.9137040981. The cubic root of 87233988 is about 443.5016525331.

The spelling of 87233988 in words is "eighty-seven million, two hundred thirty-three thousand, nine hundred eighty-eight".