117777789675 has 144 divisors (see below), whose sum is σ = 274908029760. Its totient is φ = 46775992320.

The previous prime is 117777789659. The next prime is 117777789683. The reversal of 117777789675 is 576987777711.

It is not a de Polignac number, because 117777789675 - 2⁴ = 117777789659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 178891 + ... + 517259.

It is an arithmetic number, because the mean of its divisors is an integer number (1909083540).

Almost surely, 2^117777789675 is an apocalyptic number.

117777789675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117777789675 is an abundant number, since it is smaller than the sum of its proper divisors (157130240085).

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

117777789675 is a wasteful number, since it uses less digits than its factorization.

117777789675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338422 (or 338414 counting only the distinct ones).

The product of its digits is 254121840, while the sum is 72.

The spelling of 117777789675 in words is "one hundred seventeen billion, seven hundred seventy-seven million, seven hundred eighty-nine thousand, six hundred seventy-five".