87156234 has 24 divisors (see below), whose sum is σ = 206006112. Its totient is φ = 26410920.

The previous prime is 87156217. The next prime is 87156241. The reversal of 87156234 is 43265178.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219894 + ... + 220289.

It is an arithmetic number, because the mean of its divisors is an integer number (8583588).

Almost surely, 2^87156234 is an apocalyptic number.

87156234 is an abundant number, since it is smaller than the sum of its proper divisors (118849878).

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

87156234 is a wasteful number, since it uses less digits than its factorization.

87156234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440202 (or 440199 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 87156234 is about 9335.7503179980. The cubic root of 87156234 is about 443.3698450466.

The spelling of 87156234 in words is "eighty-seven million, one hundred fifty-six thousand, two hundred thirty-four".