26576396897 has 2 divisors, whose sum is σ = 26576396898. Its totient is φ = 26576396896.

The previous prime is 26576396893. The next prime is 26576396909. The reversal of 26576396897 is 79869367562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20387270656 + 6189126241 = 142784^2 + 78671^2 .

It is a cyclic number.

It is not a de Polignac number, because 26576396897 - 2² = 26576396893 is a prime.

It is not a weakly prime, because it can be changed into another prime (26576396893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13288198448 + 13288198449.

It is an arithmetic number, because the mean of its divisors is an integer number (13288198449).

Almost surely, 2^26576396897 is an apocalyptic number.

It is an amenable number.

26576396897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26576396897 is an equidigital number, since it uses as much as digits as its factorization.

26576396897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 205752960, while the sum is 68.

The spelling of 26576396897 in words is "twenty-six billion, five hundred seventy-six million, three hundred ninety-six thousand, eight hundred ninety-seven".