117668777873378 has 8 divisors (see below), whose sum is σ = 176829420354780. Its totient is φ = 58725637755120.

The previous prime is 117668777873369. The next prime is 117668777873419. The reversal of 117668777873378 is 873378777866711.

It can be written as a sum of positive squares in 2 ways, for example, as 110515116188689 + 7153661684689 = 10512617^2 + 2674633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×117668777873378² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117668777873378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54375589433 + ... + 54375591596.

Almost surely, 2^{117668777873378} is an apocalyptic number.

117668777873378 is a deficient number, since it is larger than the sum of its proper divisors (59160642481402).

117668777873378 is a wasteful number, since it uses less digits than its factorization.

117668777873378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108751181572.

The product of its digits is 19516557312, while the sum is 86.

The spelling of 117668777873378 in words is "one hundred seventeen trillion, six hundred sixty-eight billion, seven hundred seventy-seven million, eight hundred seventy-three thousand, three hundred seventy-eight".