26311000797 has 32 divisors (see below), whose sum is σ = 39677811200. Its totient is φ = 17228630016.

The previous prime is 26311000753. The next prime is 26311000813. The reversal of 26311000797 is 79700011362.

It is a happy number.

26311000797 is a `hidden beast` number, since 2 + 631 + 10 + 0 + 0 + 7 + 9 + 7 = 666.

It is not a de Polignac number, because 26311000797 - 2⁶ = 26311000733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26311000297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379713 + ... + 443625.

It is an arithmetic number, because the mean of its divisors is an integer number (1239931600).

Almost surely, 2^26311000797 is an apocalyptic number.

26311000797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

26311000797 is a deficient number, since it is larger than the sum of its proper divisors (13366810403).

26311000797 is a wasteful number, since it uses less digits than its factorization.

26311000797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64194 (or 64188 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The spelling of 26311000797 in words is "twenty-six billion, three hundred eleven million, seven hundred ninety-seven", and thus it is an aban number.