117500639838 has 32 divisors (see below), whose sum is σ = 250758412800. Its totient is φ = 36597168576.

The previous prime is 117500639813. The next prime is 117500639909. The reversal of 117500639838 is 838936005711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7051318 + ... + 7067961.

It is an arithmetic number, because the mean of its divisors is an integer number (7836200400).

Almost surely, 2^117500639838 is an apocalyptic number.

117500639838 is an abundant number, since it is smaller than the sum of its proper divisors (133257772962).

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

117500639838 is a wasteful number, since it uses less digits than its factorization.

117500639838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14119376.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 117500639838 in words is "one hundred seventeen billion, five hundred million, six hundred thirty-nine thousand, eight hundred thirty-eight".