8091312792 has 256 divisors, whose sum is σ = 23334220800. Its totient is φ = 2322432000.

The previous prime is 8091312781. The next prime is 8091312793. The reversal of 8091312792 is 2972131908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8091312793) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33573792 + ... + 33574032.

It is an arithmetic number, because the mean of its divisors is an integer number (91149300).

Almost surely, 2^8091312792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8091312792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11667110400).

8091312792 is an abundant number, since it is smaller than the sum of its proper divisors (15242908008).

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

8091312792 is a wasteful number, since it uses less digits than its factorization.

8091312792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 8091312792 is about 89951.7247861318. The cubic root of 8091312792 is about 2007.5806300550.

The spelling of 8091312792 in words is "eight billion, ninety-one million, three hundred twelve thousand, seven hundred ninety-two".