117179939 has 2 divisors, whose sum is σ = 117179940. Its totient is φ = 117179938.

The previous prime is 117179911. The next prime is 117179947. The reversal of 117179939 is 939971711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117179939 - 2¹² = 117175843 is a prime.

It is a super-2 number, since 2×117179939² = 27462276208087442, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 117179893 and 117179902.

It is not a weakly prime, because it can be changed into another prime (117179239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58589969 + 58589970.

It is an arithmetic number, because the mean of its divisors is an integer number (58589970).

Almost surely, 2^117179939 is an apocalyptic number.

117179939 is a deficient number, since it is larger than the sum of its proper divisors (1).

117179939 is an equidigital number, since it uses as much as digits as its factorization.

117179939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107163, while the sum is 47.

The square root of 117179939 is about 10824.9683140414. The cubic root of 117179939 is about 489.3479303636.

The spelling of 117179939 in words is "one hundred seventeen million, one hundred seventy-nine thousand, nine hundred thirty-nine".