8422957856 has 24 divisors (see below), whose sum is σ = 16584756300. Its totient is φ = 4210956288.

The previous prime is 8422957847. The next prime is 8422957909. The reversal of 8422957856 is 6587592248.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8120893456 + 302064400 = 90116^2 + 17380^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453260 + ... + 471476.

Almost surely, 2^8422957856 is an apocalyptic number.

It is an amenable number.

8422957856 is a deficient number, since it is larger than the sum of its proper divisors (8161798444).

8422957856 is a wasteful number, since it uses less digits than its factorization.

8422957856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32676 (or 32668 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The square root of 8422957856 is about 91776.6738120313. The cubic root of 8422957856 is about 2034.6429561123.

The spelling of 8422957856 in words is "eight billion, four hundred twenty-two million, nine hundred fifty-seven thousand, eight hundred fifty-six".