8265872320 has 112 divisors (see below), whose sum is σ = 20565770400. Its totient is φ = 3160371200.

The previous prime is 8265872269. The next prime is 8265872341. The reversal of 8265872320 is 232785628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932871 + ... + 941689.

It is an arithmetic number, because the mean of its divisors is an integer number (183622950).

Almost surely, 2^8265872320 is an apocalyptic number.

8265872320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8265872320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10282885200).

8265872320 is an abundant number, since it is smaller than the sum of its proper divisors (12299898080).

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

8265872320 is a wasteful number, since it uses less digits than its factorization.

8265872320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966 (or 8956 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 8265872320 is about 90916.8428840333. The cubic root of 8265872320 is about 2021.9150156219.

The spelling of 8265872320 in words is "eight billion, two hundred sixty-five million, eight hundred seventy-two thousand, three hundred twenty".