117279179 has 4 divisors (see below), whose sum is σ = 117302760. Its totient is φ = 117255600.

The previous prime is 117279143. The next prime is 117279181. The reversal of 117279179 is 971972711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 971972711 = 607 ⋅1601273.

It is a cyclic number.

It is not a de Polignac number, because 117279179 - 2¹² = 117275083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117279109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (29325690).

Almost surely, 2^117279179 is an apocalyptic number.

117279179 is a deficient number, since it is larger than the sum of its proper divisors (23581).

117279179 is an equidigital number, since it uses as much as digits as its factorization.

117279179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23580.

The product of its digits is 55566, while the sum is 44.

The square root of 117279179 is about 10829.5511910697. The cubic root of 117279179 is about 489.4860347357.

The spelling of 117279179 in words is "one hundred seventeen million, two hundred seventy-nine thousand, one hundred seventy-nine".