26796578458831 has 4 divisors (see below), whose sum is σ = 26827846345872. Its totient is φ = 26765310571792.

The previous prime is 26796578458817. The next prime is 26796578458841. The reversal of 26796578458831 is 13885487569762.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26796578458831 - 2¹⁹ = 26796577934543 is a prime.

It is a super-2 number, since 2×26796578458831² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26796578458841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15633942235 + ... + 15633943948.

It is an arithmetic number, because the mean of its divisors is an integer number (6706961586468).

Almost surely, 2^{26796578458831} is an apocalyptic number.

26796578458831 is a deficient number, since it is larger than the sum of its proper divisors (31267887041).

26796578458831 is an equidigital number, since it uses as much as digits as its factorization.

26796578458831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31267887040.

The product of its digits is 4877107200, while the sum is 79.

The spelling of 26796578458831 in words is "twenty-six trillion, seven hundred ninety-six billion, five hundred seventy-eight million, four hundred fifty-eight thousand, eight hundred thirty-one".