188860472900 has 72 divisors (see below), whose sum is σ = 462501023040. Its totient is φ = 66308368000.

The previous prime is 188860472881. The next prime is 188860473001. The reversal of 188860472900 is 9274068881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2928296 + ... + 2992095.

It is an arithmetic number, because the mean of its divisors is an integer number (6423625320).

Almost surely, 2^188860472900 is an apocalyptic number.

188860472900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188860472900 is an abundant number, since it is smaller than the sum of its proper divisors (273640550140).

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

188860472900 is a wasteful number, since it uses less digits than its factorization.

188860472900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920445 (or 5920438 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 188860472900 in words is "one hundred eighty-eight billion, eight hundred sixty million, four hundred seventy-two thousand, nine hundred".