8972909568 has 352 divisors, whose sum is σ = 30844523520. Its totient is φ = 2523709440.

The previous prime is 8972909557. The next prime is 8972909579. The reversal of 8972909568 is 8659092798.

It is an interprime number because it is at equal distance from previous prime (8972909557) and next prime (8972909579).

It is a super-2 number, since 2×8972909568² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 13740730 + ... + 13741382.

Almost surely, 2^8972909568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8972909568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15422261760).

8972909568 is an abundant number, since it is smaller than the sum of its proper divisors (21871613952).

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

8972909568 is a wasteful number, since it uses less digits than its factorization.

8972909568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The square root of 8972909568 is about 94725.4430868497. The cubic root of 8972909568 is about 2077.9946747850.

The spelling of 8972909568 in words is "eight billion, nine hundred seventy-two million, nine hundred nine thousand, five hundred sixty-eight".