118816979 has 2 divisors, whose sum is σ = 118816980. Its totient is φ = 118816978.

The previous prime is 118816963. The next prime is 118817003. The reversal of 118816979 is 979618811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118816979 - 2⁴ = 118816963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118816909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59408489 + 59408490.

It is an arithmetic number, because the mean of its divisors is an integer number (59408490).

Almost surely, 2^118816979 is an apocalyptic number.

118816979 is a deficient number, since it is larger than the sum of its proper divisors (1).

118816979 is an equidigital number, since it uses as much as digits as its factorization.

118816979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 50.

The square root of 118816979 is about 10900.3201329135. The cubic root of 118816979 is about 491.6161808674.

The spelling of 118816979 in words is "one hundred eighteen million, eight hundred sixteen thousand, nine hundred seventy-nine".