115664827 has 4 divisors (see below), whose sum is σ = 115709256. Its totient is φ = 115620400.

The previous prime is 115664779. The next prime is 115664833. The reversal of 115664827 is 728466511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115664827 - 2⁷ = 115664699 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115664827.

It is not an unprimeable number, because it can be changed into a prime (115664027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18049 + ... + 23602.

It is an arithmetic number, because the mean of its divisors is an integer number (28927314).

Almost surely, 2^115664827 is an apocalyptic number.

115664827 is a deficient number, since it is larger than the sum of its proper divisors (44429).

115664827 is an equidigital number, since it uses as much as digits as its factorization.

115664827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44428.

The product of its digits is 80640, while the sum is 40.

The square root of 115664827 is about 10754.7583422409. The cubic root of 115664827 is about 487.2297192993.

The spelling of 115664827 in words is "one hundred fifteen million, six hundred sixty-four thousand, eight hundred twenty-seven".