26317264679 has 6 divisors (see below), whose sum is σ = 26591383224. Its totient is φ = 26045943360.

The previous prime is 26317264663. The next prime is 26317264693. The reversal of 26317264679 is 97646271362.

It is not a de Polignac number, because 26317264679 - 2⁴ = 26317264663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26317264679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26317264609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1389107 + ... + 1407924.

It is an arithmetic number, because the mean of its divisors is an integer number (4431897204).

Almost surely, 2^26317264679 is an apocalyptic number.

26317264679 is a deficient number, since it is larger than the sum of its proper divisors (274118545).

26317264679 is an frugal number, since it uses more digits than its factorization.

26317264679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797225 (or 2797128 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 53.

The spelling of 26317264679 in words is "twenty-six billion, three hundred seventeen million, two hundred sixty-four thousand, six hundred seventy-nine".