113987379 has 32 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 65632160.

The previous prime is 113987347. The next prime is 113987381. The reversal of 113987379 is 973789311.

It is not a de Polignac number, because 113987379 - 2⁵ = 113987347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113987309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135442 + ... + 136280.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^113987379 is an apocalyptic number.

113987379 is a deficient number, since it is larger than the sum of its proper divisors (60195021).

113987379 is a wasteful number, since it uses less digits than its factorization.

113987379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its digits is 285768, while the sum is 48.

The square root of 113987379 is about 10676.4872031956. The cubic root of 113987379 is about 484.8628641223.

The spelling of 113987379 in words is "one hundred thirteen million, nine hundred eighty-seven thousand, three hundred seventy-nine".