26968128179 has 2 divisors, whose sum is σ = 26968128180. Its totient is φ = 26968128178.

The previous prime is 26968128151. The next prime is 26968128193. The reversal of 26968128179 is 97182186962.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26968128179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26968128139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484064089 + 13484064090.

It is an arithmetic number, because the mean of its divisors is an integer number (13484064090).

Almost surely, 2^26968128179 is an apocalyptic number.

26968128179 is a deficient number, since it is larger than the sum of its proper divisors (1).

26968128179 is an equidigital number, since it uses as much as digits as its factorization.

26968128179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 59.

The spelling of 26968128179 in words is "twenty-six billion, nine hundred sixty-eight million, one hundred twenty-eight thousand, one hundred seventy-nine".