26349080977 has 2 divisors, whose sum is σ = 26349080978. Its totient is φ = 26349080976.

The previous prime is 26349080969. The next prime is 26349080983. The reversal of 26349080977 is 77908094362.

It is a Cunningham number, because it is equal to 162324²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26349080976 + 1 = 162324^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 26349080977 - 2³ = 26349080969 is a prime.

It is not a weakly prime, because it can be changed into another prime (26349080917) 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, 13174540488 + 13174540489.

It is an arithmetic number, because the mean of its divisors is an integer number (13174540489).

Almost surely, 2^26349080977 is an apocalyptic number.

It is an amenable number.

26349080977 is a deficient number, since it is larger than the sum of its proper divisors (1).

26349080977 is an equidigital number, since it uses as much as digits as its factorization.

26349080977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 26349080977 in words is "twenty-six billion, three hundred forty-nine million, eighty thousand, nine hundred seventy-seven".