26081725979 has 2 divisors, whose sum is σ = 26081725980. Its totient is φ = 26081725978.

The previous prime is 26081725921. The next prime is 26081725987. The reversal of 26081725979 is 97952718062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26081725979 - 2³² = 21786758683 is a prime.

It is not a weakly prime, because it can be changed into another prime (26081721979) 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, 13040862989 + 13040862990.

It is an arithmetic number, because the mean of its divisors is an integer number (13040862990).

Almost surely, 2^26081725979 is an apocalyptic number.

26081725979 is a deficient number, since it is larger than the sum of its proper divisors (1).

26081725979 is an equidigital number, since it uses as much as digits as its factorization.

26081725979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 26081725979 in words is "twenty-six billion, eighty-one million, seven hundred twenty-five thousand, nine hundred seventy-nine".