26164426116977 has 2 divisors, whose sum is σ = 26164426116978. Its totient is φ = 26164426116976.

The previous prime is 26164426116949. The next prime is 26164426117003. The reversal of 26164426116977 is 77961162446162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16481724333361 + 9682701783616 = 4059769^2 + 3111704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26164426116977 is a prime.

It is not a weakly prime, because it can be changed into another prime (26164426119977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13082213058488 + 13082213058489.

It is an arithmetic number, because the mean of its divisors is an integer number (13082213058489).

Almost surely, 2^{26164426116977} is an apocalyptic number.

It is an amenable number.

26164426116977 is a deficient number, since it is larger than the sum of its proper divisors (1).

26164426116977 is an equidigital number, since it uses as much as digits as its factorization.

26164426116977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 62.

The spelling of 26164426116977 in words is "twenty-six trillion, one hundred sixty-four billion, four hundred twenty-six million, one hundred sixteen thousand, nine hundred seventy-seven".