117188928388 has 24 divisors (see below), whose sum is σ = 239828507072. Its totient is φ = 49055829984.

The previous prime is 117188928379. The next prime is 117188928397. The reversal of 117188928388 is 883829881711.

It is an interprime number because it is at equal distance from previous prime (117188928379) and next prime (117188928397).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48665295 + ... + 48667702.

Almost surely, 2^117188928388 is an apocalyptic number.

It is an amenable number.

117188928388 is an abundant number, since it is smaller than the sum of its proper divisors (122639578684).

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

117188928388 is a wasteful number, since it uses less digits than its factorization.

117188928388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97333051 (or 97333049 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 64.

It can be divided in two parts, 11718 and 8928388, that added together give a triangular number (8940106 = T₄₂₂₈).

The spelling of 117188928388 in words is "one hundred seventeen billion, one hundred eighty-eight million, nine hundred twenty-eight thousand, three hundred eighty-eight".