115635647 has 2 divisors, whose sum is σ = 115635648. Its totient is φ = 115635646.

The previous prime is 115635631. The next prime is 115635661. The reversal of 115635647 is 746536511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115635647 - 2⁴ = 115635631 is a prime.

It is equal to p_6606893 and since 115635647 and 6606893 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115635647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115631647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57817823 + 57817824.

It is an arithmetic number, because the mean of its divisors is an integer number (57817824).

Almost surely, 2^115635647 is an apocalyptic number.

115635647 is a deficient number, since it is larger than the sum of its proper divisors (1).

115635647 is an equidigital number, since it uses as much as digits as its factorization.

115635647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 115635647 is about 10753.4016478508. The cubic root of 115635647 is about 487.1887429734.

The spelling of 115635647 in words is "one hundred fifteen million, six hundred thirty-five thousand, six hundred forty-seven".