87023172 has 24 divisors (see below), whose sum is σ = 203903392. Its totient is φ = 28886400.

The previous prime is 87023159. The next prime is 87023201. The reversal of 87023172 is 27132078.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12154 + ... + 17937.

Almost surely, 2^87023172 is an apocalyptic number.

It is an amenable number.

87023172 is an abundant number, since it is smaller than the sum of its proper divisors (116880220).

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

87023172 is a wasteful number, since it uses less digits than its factorization.

87023172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30339 (or 30337 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 87023172 is about 9328.6211199727. The cubic root of 87023172 is about 443.1440982311.

It can be divided in two parts, 870 and 23172, that added together give a palindrome (24042).

The spelling of 87023172 in words is "eighty-seven million, twenty-three thousand, one hundred seventy-two".