25088620979 has 2 divisors, whose sum is σ = 25088620980. Its totient is φ = 25088620978.

The previous prime is 25088620937. The next prime is 25088621017. The reversal of 25088620979 is 97902688052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25088620979 is a prime.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12544310489 + 12544310490.

It is an arithmetic number, because the mean of its divisors is an integer number (12544310490).

Almost surely, 2^25088620979 is an apocalyptic number.

25088620979 is a deficient number, since it is larger than the sum of its proper divisors (1).

25088620979 is an equidigital number, since it uses as much as digits as its factorization.

25088620979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 25088620979 in words is "twenty-five billion, eighty-eight million, six hundred twenty thousand, nine hundred seventy-nine".