115198079 has 2 divisors, whose sum is σ = 115198080. Its totient is φ = 115198078.

The previous prime is 115198049. The next prime is 115198091. The reversal of 115198079 is 970891511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115198079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115198049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57599039 + 57599040.

It is an arithmetic number, because the mean of its divisors is an integer number (57599040).

Almost surely, 2^115198079 is an apocalyptic number.

115198079 is a deficient number, since it is larger than the sum of its proper divisors (1).

115198079 is an equidigital number, since it uses as much as digits as its factorization.

115198079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 115198079 is about 10733.0368023221. The cubic root of 115198079 is about 486.5734550220.

The spelling of 115198079 in words is "one hundred fifteen million, one hundred ninety-eight thousand, seventy-nine".