117179239 has 2 divisors, whose sum is σ = 117179240. Its totient is φ = 117179238.

The previous prime is 117179191. The next prime is 117179243. The reversal of 117179239 is 932971711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117179239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117179939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58589619 + 58589620.

It is an arithmetic number, because the mean of its divisors is an integer number (58589620).

Almost surely, 2^117179239 is an apocalyptic number.

117179239 is a deficient number, since it is larger than the sum of its proper divisors (1).

117179239 is an equidigital number, since it uses as much as digits as its factorization.

117179239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 40.

The square root of 117179239 is about 10824.9359813349. The cubic root of 117179239 is about 489.3469559527.

The spelling of 117179239 in words is "one hundred seventeen million, one hundred seventy-nine thousand, two hundred thirty-nine".