115172867 has 2 divisors, whose sum is σ = 115172868. Its totient is φ = 115172866.

The previous prime is 115172839. The next prime is 115172887. The reversal of 115172867 is 768271511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115172867 - 2⁶ = 115172803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115172867.

It is not a weakly prime, because it can be changed into another prime (115172887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57586433 + 57586434.

It is an arithmetic number, because the mean of its divisors is an integer number (57586434).

Almost surely, 2^115172867 is an apocalyptic number.

115172867 is a deficient number, since it is larger than the sum of its proper divisors (1).

115172867 is an equidigital number, since it uses as much as digits as its factorization.

115172867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 38.

The square root of 115172867 is about 10731.8622335548. The cubic root of 115172867 is about 486.5379556309.

The spelling of 115172867 in words is "one hundred fifteen million, one hundred seventy-two thousand, eight hundred sixty-seven".