8251797112 has 128 divisors (see below), whose sum is σ = 17781120000. Its totient is φ = 3563030016.

The previous prime is 8251797049. The next prime is 8251797121. The reversal of 8251797112 is 2117971528.

It is a super-2 number, since 2×8251797112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14057283 + ... + 14057869.

It is an arithmetic number, because the mean of its divisors is an integer number (138915000).

Almost surely, 2^8251797112 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 8251797112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8890560000).

8251797112 is an abundant number, since it is smaller than the sum of its proper divisors (9529322888).

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

8251797112 is a wasteful number, since it uses less digits than its factorization.

8251797112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 769 counting only the distinct ones).

The product of its digits is 70560, while the sum is 43.

The square root of 8251797112 is about 90839.4028602126. The cubic root of 8251797112 is about 2020.7667180618.

The spelling of 8251797112 in words is "eight billion, two hundred fifty-one million, seven hundred ninety-seven thousand, one hundred twelve".