115879618 has 4 divisors (see below), whose sum is σ = 173819430. Its totient is φ = 57939808.

The previous prime is 115879607. The next prime is 115879627. The reversal of 115879618 is 816978511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 816978511 = 19 ⋅42998869.

It can be written as a sum of positive squares in only one way, i.e., 113486409 + 2393209 = 10653^2 + 1547^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28969903 + ... + 28969906.

Almost surely, 2^115879618 is an apocalyptic number.

115879618 is a deficient number, since it is larger than the sum of its proper divisors (57939812).

115879618 is an equidigital number, since it uses as much as digits as its factorization.

115879618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57939811.

The product of its digits is 120960, while the sum is 46.

The square root of 115879618 is about 10764.7395695391. The cubic root of 115879618 is about 487.5311299867.

The spelling of 115879618 in words is "one hundred fifteen million, eight hundred seventy-nine thousand, six hundred eighteen".