188730272088 has 96 divisors (see below), whose sum is σ = 534752487360. Its totient is φ = 60069788160.

The previous prime is 188730272077. The next prime is 188730272147. The reversal of 188730272088 is 880272037881.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 541395 + ... + 818882.

It is an arithmetic number, because the mean of its divisors is an integer number (5570338410).

Almost surely, 2^188730272088 is an apocalyptic number.

188730272088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

188730272088 is an abundant number, since it is smaller than the sum of its proper divisors (346022215272).

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

188730272088 is a wasteful number, since it uses less digits than its factorization.

188730272088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360377 (or 1360370 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 188730272088 in words is "one hundred eighty-eight billion, seven hundred thirty million, two hundred seventy-two thousand, eighty-eight".