115447427 has 2 divisors, whose sum is σ = 115447428. Its totient is φ = 115447426.

The previous prime is 115447421. The next prime is 115447469. The reversal of 115447427 is 724744511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115447427 - 2¹⁰ = 115446403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115447421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57723713 + 57723714.

It is an arithmetic number, because the mean of its divisors is an integer number (57723714).

Almost surely, 2^115447427 is an apocalyptic number.

115447427 is a deficient number, since it is larger than the sum of its proper divisors (1).

115447427 is an equidigital number, since it uses as much as digits as its factorization.

115447427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 35.

The square root of 115447427 is about 10744.6464343877. The cubic root of 115447427 is about 486.9242672538.

The spelling of 115447427 in words is "one hundred fifteen million, four hundred forty-seven thousand, four hundred twenty-seven".