87633234 has 24 divisors (see below), whose sum is σ = 204478092. Its totient is φ = 26964000.

The previous prime is 87633233. The next prime is 87633251. The reversal of 87633234 is 43233678.

It can be written as a sum of positive squares in 2 ways, for example, as 86434209 + 1199025 = 9297^2 + 1095^2 .

It is not an unprimeable number, because it can be changed into a prime (87633233) 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, 187017 + ... + 187484.

Almost surely, 2^87633234 is an apocalyptic number.

87633234 is an abundant number, since it is smaller than the sum of its proper divisors (116844858).

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

87633234 is a wasteful number, since it uses less digits than its factorization.

87633234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374522 (or 374519 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 87633234 is about 9361.2624148669. The cubic root of 87633234 is about 444.1772180311.

The spelling of 87633234 in words is "eighty-seven million, six hundred thirty-three thousand, two hundred thirty-four".