115626689 has 2 divisors, whose sum is σ = 115626690. Its totient is φ = 115626688.

The previous prime is 115626677. The next prime is 115626697. The reversal of 115626689 is 986626511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 57638464 = 7615^2 + 7592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115626689 is a prime.

It is not a weakly prime, because it can be changed into another prime (115626629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57813344 + 57813345.

It is an arithmetic number, because the mean of its divisors is an integer number (57813345).

Almost surely, 2^115626689 is an apocalyptic number.

It is an amenable number.

115626689 is a deficient number, since it is larger than the sum of its proper divisors (1).

115626689 is an equidigital number, since it uses as much as digits as its factorization.

115626689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 115626689 is about 10752.9851204212. The cubic root of 115626689 is about 487.1761622235.

The spelling of 115626689 in words is "one hundred fifteen million, six hundred twenty-six thousand, six hundred eighty-nine".