25763115979 has 2 divisors, whose sum is σ = 25763115980. Its totient is φ = 25763115978.

The previous prime is 25763115923. The next prime is 25763115991. The reversal of 25763115979 is 97951136752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25763115979 - 2²⁹ = 25226245067 is a prime.

It is not a weakly prime, because it can be changed into another prime (25763112979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12881557989 + 12881557990.

It is an arithmetic number, because the mean of its divisors is an integer number (12881557990).

Almost surely, 2^25763115979 is an apocalyptic number.

25763115979 is a deficient number, since it is larger than the sum of its proper divisors (1).

25763115979 is an equidigital number, since it uses as much as digits as its factorization.

25763115979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3572100, while the sum is 55.

The spelling of 25763115979 in words is "twenty-five billion, seven hundred sixty-three million, one hundred fifteen thousand, nine hundred seventy-nine".