26340800779 has 2 divisors, whose sum is σ = 26340800780. Its totient is φ = 26340800778.

The previous prime is 26340800771. The next prime is 26340800867. The reversal of 26340800779 is 97700804362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26340800779 - 2³ = 26340800771 is a prime.

It is a super-3 number, since 3×26340800779³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (26340800771) 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, 13170400389 + 13170400390.

It is an arithmetic number, because the mean of its divisors is an integer number (13170400390).

Almost surely, 2^26340800779 is an apocalyptic number.

26340800779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26340800779 is an equidigital number, since it uses as much as digits as its factorization.

26340800779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 26340800779 in words is "twenty-six billion, three hundred forty million, eight hundred thousand, seven hundred seventy-nine".