8257840822 has 64 divisors (see below), whose sum is σ = 15969374208. Its totient is φ = 3108096000.

The previous prime is 8257840813. The next prime is 8257840837. The reversal of 8257840822 is 2280487528.

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, 3631878 + ... + 3634150.

It is an arithmetic number, because the mean of its divisors is an integer number (249521472).

Almost surely, 2^8257840822 is an apocalyptic number.

8257840822 is a deficient number, since it is larger than the sum of its proper divisors (7711533386).

8257840822 is a wasteful number, since it uses less digits than its factorization.

8257840822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085.

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 8257840822 is about 90872.6626769569. The cubic root of 8257840822 is about 2021.2599418384.

The spelling of 8257840822 in words is "eight billion, two hundred fifty-seven million, eight hundred forty thousand, eight hundred twenty-two".