117945179 has 16 divisors (see below), whose sum is σ = 135888000. Its totient is φ = 101243520.

The previous prime is 117945169. The next prime is 117945181. The reversal of 117945179 is 971549711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117945179 is a prime.

It is a super-2 number, since 2×117945179² = 27822130498684082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117945109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78467 + ... + 79955.

It is an arithmetic number, because the mean of its divisors is an integer number (8493000).

Almost surely, 2^117945179 is an apocalyptic number.

117945179 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

117945179 is a deficient number, since it is larger than the sum of its proper divisors (17942821).

117945179 is a wasteful number, since it uses less digits than its factorization.

117945179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898.

The product of its digits is 79380, while the sum is 44.

The square root of 117945179 is about 10860.2568569993. The cubic root of 117945179 is about 490.4108438227.

The spelling of 117945179 in words is "one hundred seventeen million, nine hundred forty-five thousand, one hundred seventy-nine".