117986079 has 16 divisors (see below), whose sum is σ = 159413760. Its totient is φ = 77613600.

The previous prime is 117986051. The next prime is 117986087. The reversal of 117986079 is 970689711.

It is a happy number.

It is not a de Polignac number, because 117986079 - 2¹⁷ = 117855007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117986039) 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 in 15 ways as a sum of consecutive naturals, for example, 132574 + ... + 133460.

It is an arithmetic number, because the mean of its divisors is an integer number (9963360).

Almost surely, 2^117986079 is an apocalyptic number.

117986079 is a deficient number, since it is larger than the sum of its proper divisors (41427681).

117986079 is a wasteful number, since it uses less digits than its factorization.

117986079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 117986079 is about 10862.1397063378. The cubic root of 117986079 is about 490.4675240692.

The spelling of 117986079 in words is "one hundred seventeen million, nine hundred eighty-six thousand, seventy-nine".