26776860853 has 2 divisors, whose sum is σ = 26776860854. Its totient is φ = 26776860852.

The previous prime is 26776860839. The next prime is 26776860857. The reversal of 26776860853 is 35806867762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21508568964 + 5268291889 = 146658^2 + 72583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26776860853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26776860857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13388430426 + 13388430427.

It is an arithmetic number, because the mean of its divisors is an integer number (13388430427).

Almost surely, 2^26776860853 is an apocalyptic number.

It is an amenable number.

26776860853 is a deficient number, since it is larger than the sum of its proper divisors (1).

26776860853 is an equidigital number, since it uses as much as digits as its factorization.

26776860853 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 26776860853 in words is "twenty-six billion, seven hundred seventy-six million, eight hundred sixty thousand, eight hundred fifty-three".