118605779 has 4 divisors (see below), whose sum is σ = 123762576. Its totient is φ = 113448984.

The previous prime is 118605763. The next prime is 118605793. The reversal of 118605779 is 977506811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118605779 - 2⁴ = 118605763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118605709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578364 + ... + 2578409.

It is an arithmetic number, because the mean of its divisors is an integer number (30940644).

Almost surely, 2^118605779 is an apocalyptic number.

118605779 is a deficient number, since it is larger than the sum of its proper divisors (5156797).

118605779 is an equidigital number, since it uses as much as digits as its factorization.

118605779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156796.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 118605779 is about 10890.6280351502. The cubic root of 118605779 is about 491.3247216310.

The spelling of 118605779 in words is "one hundred eighteen million, six hundred five thousand, seven hundred seventy-nine".