115939799 has 2 divisors, whose sum is σ = 115939800. Its totient is φ = 115939798.

The previous prime is 115939793. The next prime is 115939861. The reversal of 115939799 is 997939511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115939799 - 2¹⁶ = 115874263 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115939799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115939793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57969899 + 57969900.

It is an arithmetic number, because the mean of its divisors is an integer number (57969900).

Almost surely, 2^115939799 is an apocalyptic number.

115939799 is a deficient number, since it is larger than the sum of its proper divisors (1).

115939799 is an equidigital number, since it uses as much as digits as its factorization.

115939799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 688905, while the sum is 53.

The square root of 115939799 is about 10767.5344903093. The cubic root of 115939799 is about 487.6155136305.

The spelling of 115939799 in words is "one hundred fifteen million, nine hundred thirty-nine thousand, seven hundred ninety-nine".