113789979 has 12 divisors (see below), whose sum is σ = 165145032. Its totient is φ = 75499200.

The previous prime is 113789953. The next prime is 113789981. The reversal of 113789979 is 979987311.

It is a de Polignac number, because none of the positive numbers 2^k-113789979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113789999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28062 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (13762086).

Almost surely, 2^113789979 is an apocalyptic number.

113789979 is a deficient number, since it is larger than the sum of its proper divisors (51355053).

113789979 is a wasteful number, since it uses less digits than its factorization.

113789979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60138 (or 60135 counting only the distinct ones).

The product of its digits is 857304, while the sum is 54.

The square root of 113789979 is about 10667.2385836260. The cubic root of 113789979 is about 484.5828119685.

The spelling of 113789979 in words is "one hundred thirteen million, seven hundred eighty-nine thousand, nine hundred seventy-nine".