8722097280 has 512 divisors, whose sum is σ = 34114348800. Its totient is φ = 2092400640.

The previous prime is 8722097233. The next prime is 8722097281. The reversal of 8722097280 is 827902278.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8722097281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9209767 + ... + 9210713.

Almost surely, 2^8722097280 is an apocalyptic number.

8722097280 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 8722097280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17057174400).

8722097280 is an abundant number, since it is smaller than the sum of its proper divisors (25392251520).

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

8722097280 is a wasteful number, since it uses less digits than its factorization.

8722097280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 8722097280 is about 93392.1692648800. The cubic root of 8722097280 is about 2058.4499351991.

The spelling of 8722097280 in words is "eight billion, seven hundred twenty-two million, ninety-seven thousand, two hundred eighty".