9172865296 has 80 divisors (see below), whose sum is σ = 21489874560. Its totient is φ = 3705246720.

The previous prime is 9172865293. The next prime is 9172865333. The reversal of 9172865296 is 6925682719.

It is a super-2 number, since 2×9172865296² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9172865293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408276 + ... + 430156.

It is an arithmetic number, because the mean of its divisors is an integer number (268623432).

Almost surely, 2^9172865296 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 9172865296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10744937280).

9172865296 is an abundant number, since it is smaller than the sum of its proper divisors (12317009264).

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

9172865296 is a wasteful number, since it uses less digits than its factorization.

9172865296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22112 (or 22106 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 9172865296 is about 95775.0765909378. The cubic root of 9172865296 is about 2093.3170236422.

The spelling of 9172865296 in words is "nine billion, one hundred seventy-two million, eight hundred sixty-five thousand, two hundred ninety-six".