8974922957 has 90 divisors (see below), whose sum is σ = 12666440934. Its totient is φ = 6333687360.

The previous prime is 8974922953. The next prime is 8974922969. The reversal of 8974922957 is 7592294798.

It can be written as a sum of positive squares in 5 ways, for example, as 6826229641 + 2148693316 = 82621^2 + 46354^2 .

It is not a de Polignac number, because 8974922957 - 2² = 8974922953 is a prime.

Its product of digits (22861440) is a multiple of the sum of its prime divisors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 8974922957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8974922953) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 169338143 + ... + 169338195.

Almost surely, 2^8974922957 is an apocalyptic number.

It is an amenable number.

8974922957 is a deficient number, since it is larger than the sum of its proper divisors (3691517977).

8974922957 is an equidigital number, since it uses as much as digits as its factorization.

8974922957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 84 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 62.

The square root of 8974922957 is about 94736.0699892074. The cubic root of 8974922957 is about 2078.1500869806.

The spelling of 8974922957 in words is "eight billion, nine hundred seventy-four million, nine hundred twenty-two thousand, nine hundred fifty-seven".