8957222891568 has 160 divisors (see below), whose sum is σ = 29822042616320. Its totient is φ = 2521009370880.

The previous prime is 8957222891567. The next prime is 8957222891579. The reversal of 8957222891568 is 8651982227598.

8957222891568 is a `hidden beast` number, since 8 + 9 + 57 + 2 + 2 + 2 + 8 + 9 + 1 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 8957222891496 and 8957222891505.

It is not an unprimeable number, because it can be changed into a prime (8957222891563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21902203 + ... + 22307418.

It is an arithmetic number, because the mean of its divisors is an integer number (186387766352).

Almost surely, 2^{8957222891568} is an apocalyptic number.

It is an amenable number.

8957222891568 is an abundant number, since it is smaller than the sum of its proper divisors (20864819724752).

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

8957222891568 is a wasteful number, since it uses less digits than its factorization.

8957222891568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44209712 (or 44209700 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 72.

The spelling of 8957222891568 in words is "eight trillion, nine hundred fifty-seven billion, two hundred twenty-two million, eight hundred ninety-one thousand, five hundred sixty-eight".