115447399 has 2 divisors, whose sum is σ = 115447400. Its totient is φ = 115447398.

The previous prime is 115447393. The next prime is 115447417. The reversal of 115447399 is 993744511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115447399 - 2²¹ = 113350247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115447393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57723699 + 57723700.

It is an arithmetic number, because the mean of its divisors is an integer number (57723700).

Almost surely, 2^115447399 is an apocalyptic number.

115447399 is a deficient number, since it is larger than the sum of its proper divisors (1).

115447399 is an equidigital number, since it uses as much as digits as its factorization.

115447399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 115447399 is about 10744.6451314131. The cubic root of 115447399 is about 486.9242278885.

The spelling of 115447399 in words is "one hundred fifteen million, four hundred forty-seven thousand, three hundred ninety-nine".