117276191388 has 48 divisors (see below), whose sum is σ = 313857438720. Its totient is φ = 37831028400.

The previous prime is 117276191359. The next prime is 117276191399. The reversal of 117276191388 is 883191672711.

117276191388 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 7 + 619 + 13 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17511018 + ... + 17517713.

It is an arithmetic number, because the mean of its divisors is an integer number (6538696640).

Almost surely, 2^117276191388 is an apocalyptic number.

117276191388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117276191388 is an abundant number, since it is smaller than the sum of its proper divisors (196581247332).

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

117276191388 is a wasteful number, since it uses less digits than its factorization.

117276191388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35028775 (or 35028767 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The spelling of 117276191388 in words is "one hundred seventeen billion, two hundred seventy-six million, one hundred ninety-one thousand, three hundred eighty-eight".