8255891491326 has 32 divisors (see below), whose sum is σ = 18979060903200. Its totient is φ = 2657068525440.

The previous prime is 8255891491321. The next prime is 8255891491339. The reversal of 8255891491326 is 6231941985528.

8255891491326 is a `hidden beast` number, since 8 + 2 + 5 + 58 + 91 + 491 + 3 + 2 + 6 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255891491321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635979115 + ... + 2635982246.

It is an arithmetic number, because the mean of its divisors is an integer number (593095653225).

Almost surely, 2^{8255891491326} is an apocalyptic number.

8255891491326 is an abundant number, since it is smaller than the sum of its proper divisors (10723169411874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8255891491326 is a wasteful number, since it uses less digits than its factorization.

8255891491326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271961401 (or 5271961395 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

The spelling of 8255891491326 in words is "eight trillion, two hundred fifty-five billion, eight hundred ninety-one million, four hundred ninety-one thousand, three hundred twenty-six".