87180271232 has 64 divisors (see below), whose sum is σ = 183032023200. Its totient is φ = 41248134144.

The previous prime is 87180271229. The next prime is 87180271261. The reversal of 87180271232 is 23217208178.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 87180271232.

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, 2127158 + ... + 2167754.

Almost surely, 2^87180271232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87180271232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91516011600).

87180271232 is an abundant number, since it is smaller than the sum of its proper divisors (95851751968).

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

87180271232 is a wasteful number, since it uses less digits than its factorization.

87180271232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41513 (or 41501 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 87180271232 in words is "eighty-seven billion, one hundred eighty million, two hundred seventy-one thousand, two hundred thirty-two".