115864379 has 4 divisors (see below), whose sum is σ = 115977576. Its totient is φ = 115751184.

The previous prime is 115864369. The next prime is 115864381. The reversal of 115864379 is 973468511.

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 115864379 - 2⁸ = 115864123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115864339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55049 + ... + 57114.

It is an arithmetic number, because the mean of its divisors is an integer number (28994394).

Almost surely, 2^115864379 is an apocalyptic number.

115864379 is a deficient number, since it is larger than the sum of its proper divisors (113197).

115864379 is a wasteful number, since it uses less digits than its factorization.

115864379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113196.

The product of its digits is 181440, while the sum is 44.

The square root of 115864379 is about 10764.0317260774. The cubic root of 115864379 is about 487.5097577709.

The spelling of 115864379 in words is "one hundred fifteen million, eight hundred sixty-four thousand, three hundred seventy-nine".