117500906978 has 128 divisors (see below), whose sum is σ = 245961031680. Its totient is φ = 40763036160.

The previous prime is 117500906917. The next prime is 117500906983. The reversal of 117500906978 is 879609005711.

117500906978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2441726 + ... + 2489382.

It is an arithmetic number, because the mean of its divisors is an integer number (1921570560).

Almost surely, 2^117500906978 is an apocalyptic number.

117500906978 is an abundant number, since it is smaller than the sum of its proper divisors (128460124702).

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

117500906978 is a wasteful number, since it uses less digits than its factorization.

117500906978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47752.

The product of its (nonzero) digits is 952560, while the sum is 53.

The spelling of 117500906978 in words is "one hundred seventeen billion, five hundred million, nine hundred six thousand, nine hundred seventy-eight".