26708047252897 has 2 divisors, whose sum is σ = 26708047252898. Its totient is φ = 26708047252896.

The previous prime is 26708047252703. The next prime is 26708047252961. The reversal of 26708047252897 is 79825274080762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17641209620736 + 9066837632161 = 4200144^2 + 3011119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26708047252897 is a prime.

It is not a weakly prime, because it can be changed into another prime (26708047252297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13354023626448 + 13354023626449.

It is an arithmetic number, because the mean of its divisors is an integer number (13354023626449).

Almost surely, 2^{26708047252897} is an apocalyptic number.

It is an amenable number.

26708047252897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26708047252897 is an equidigital number, since it uses as much as digits as its factorization.

26708047252897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189665280, while the sum is 67.

The spelling of 26708047252897 in words is "twenty-six trillion, seven hundred eight billion, forty-seven million, two hundred fifty-two thousand, eight hundred ninety-seven".