115638667 has 2 divisors, whose sum is σ = 115638668. Its totient is φ = 115638666.

The previous prime is 115638661. The next prime is 115638703. The reversal of 115638667 is 766836511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115638667 is a prime.

It is not a weakly prime, because it can be changed into another prime (115638661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57819333 + 57819334.

It is an arithmetic number, because the mean of its divisors is an integer number (57819334).

Almost surely, 2^115638667 is an apocalyptic number.

115638667 is a deficient number, since it is larger than the sum of its proper divisors (1).

115638667 is an equidigital number, since it uses as much as digits as its factorization.

115638667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 115638667 is about 10753.5420676166. The cubic root of 115638667 is about 487.1929841603.

The spelling of 115638667 in words is "one hundred fifteen million, six hundred thirty-eight thousand, six hundred sixty-seven".