8393155922 has 6 divisors (see below), whose sum is σ = 12589928229. Its totient is φ = 4196513180.

The previous prime is 8393155919. The next prime is 8393155951. The reversal of 8393155922 is 2295513938.

It can be written as a sum of positive squares in 2 ways, for example, as 8309963281 + 83192641 = 91159^2 + 9121^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64781.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 97172 + ... + 161952.

Almost surely, 2^8393155922 is an apocalyptic number.

8393155922 is a deficient number, since it is larger than the sum of its proper divisors (4196772307).

8393155922 is an frugal number, since it uses more digits than its factorization.

8393155922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129564 (or 64783 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 8393155922 is about 91614.1687840915. The cubic root of 8393155922 is about 2032.2404766405.

The spelling of 8393155922 in words is "eight billion, three hundred ninety-three million, one hundred fifty-five thousand, nine hundred twenty-two".