115390079 has 4 divisors (see below), whose sum is σ = 131874384. Its totient is φ = 98905776.

The previous prime is 115390073. The next prime is 115390081. The reversal of 115390079 is 970093511.

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 115390079 - 2⁸ = 115389823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115390073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8242142 + ... + 8242155.

It is an arithmetic number, because the mean of its divisors is an integer number (32968596).

Almost surely, 2^115390079 is an apocalyptic number.

115390079 is a deficient number, since it is larger than the sum of its proper divisors (16484305).

115390079 is an equidigital number, since it uses as much as digits as its factorization.

115390079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16484304.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 115390079 is about 10741.9774250368. The cubic root of 115390079 is about 486.8436280728.

The spelling of 115390079 in words is "one hundred fifteen million, three hundred ninety thousand, seventy-nine".