26495804677 has 2 divisors, whose sum is σ = 26495804678. Its totient is φ = 26495804676.

The previous prime is 26495804669. The next prime is 26495804683. The reversal of 26495804677 is 77640859462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21925909476 + 4569895201 = 148074^2 + 67601^2 .

It is a cyclic number.

It is not a de Polignac number, because 26495804677 - 2³ = 26495804669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26495804077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13247902338 + 13247902339.

It is an arithmetic number, because the mean of its divisors is an integer number (13247902339).

Almost surely, 2^26495804677 is an apocalyptic number.

It is an amenable number.

26495804677 is a deficient number, since it is larger than the sum of its proper divisors (1).

26495804677 is an equidigital number, since it uses as much as digits as its factorization.

26495804677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 26495804677 in words is "twenty-six billion, four hundred ninety-five million, eight hundred four thousand, six hundred seventy-seven".