113879618 has 4 divisors (see below), whose sum is σ = 170819430. Its totient is φ = 56939808.

The previous prime is 113879611. The next prime is 113879629. The reversal of 113879618 is 816978311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 816978311 = 6661 ⋅122651.

It can be written as a sum of positive squares in only one way, i.e., 61418569 + 52461049 = 7837^2 + 7243^2 .

It is not an unprimeable number, because it can be changed into a prime (113879611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28469903 + ... + 28469906.

Almost surely, 2^113879618 is an apocalyptic number.

113879618 is a deficient number, since it is larger than the sum of its proper divisors (56939812).

113879618 is an equidigital number, since it uses as much as digits as its factorization.

113879618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56939811.

The product of its digits is 72576, while the sum is 44.

The square root of 113879618 is about 10671.4393593367. The cubic root of 113879618 is about 484.7100232806.

The spelling of 113879618 in words is "one hundred thirteen million, eight hundred seventy-nine thousand, six hundred eighteen".