115764977 has 2 divisors, whose sum is σ = 115764978. Its totient is φ = 115764976.

The previous prime is 115764953. The next prime is 115764991. The reversal of 115764977 is 779467511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115691536 + 73441 = 10756^2 + 271^2 .

It is an emirp because it is prime and its reverse (779467511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115764977 - 2⁸ = 115764721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115764907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57882488 + 57882489.

It is an arithmetic number, because the mean of its divisors is an integer number (57882489).

Almost surely, 2^115764977 is an apocalyptic number.

It is an amenable number.

115764977 is a deficient number, since it is larger than the sum of its proper divisors (1).

115764977 is an equidigital number, since it uses as much as digits as its factorization.

115764977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 47.

The square root of 115764977 is about 10759.4134133790. The cubic root of 115764977 is about 487.3703036090.

The spelling of 115764977 in words is "one hundred fifteen million, seven hundred sixty-four thousand, nine hundred seventy-seven".