118693979 has 2 divisors, whose sum is σ = 118693980. Its totient is φ = 118693978.

The previous prime is 118693973. The next prime is 118693999. The reversal of 118693979 is 979396811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118693979 - 2⁴ = 118693963 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118693979.

It is not a weakly prime, because it can be changed into another prime (118693973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59346989 + 59346990.

It is an arithmetic number, because the mean of its divisors is an integer number (59346990).

Almost surely, 2^118693979 is an apocalyptic number.

118693979 is a deficient number, since it is larger than the sum of its proper divisors (1).

118693979 is an equidigital number, since it uses as much as digits as its factorization.

118693979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 118693979 is about 10894.6766358621. The cubic root of 118693979 is about 491.4464810242.

The spelling of 118693979 in words is "one hundred eighteen million, six hundred ninety-three thousand, nine hundred seventy-nine".