118659979 has 2 divisors, whose sum is σ = 118659980. Its totient is φ = 118659978.

The previous prime is 118659953. The next prime is 118660049. The reversal of 118659979 is 979956811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118659979 - 2⁹ = 118659467 is a prime.

It is not a weakly prime, because it can be changed into another prime (118659179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59329989 + 59329990.

It is an arithmetic number, because the mean of its divisors is an integer number (59329990).

Almost surely, 2^118659979 is an apocalyptic number.

118659979 is a deficient number, since it is larger than the sum of its proper divisors (1).

118659979 is an equidigital number, since it uses as much as digits as its factorization.

118659979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 55.

The square root of 118659979 is about 10893.1161290055. The cubic root of 118659979 is about 491.3995514433.

The spelling of 118659979 in words is "one hundred eighteen million, six hundred fifty-nine thousand, nine hundred seventy-nine".