8821080792 has 144 divisors (see below), whose sum is σ = 25419303000. Its totient is φ = 2867944320.

The previous prime is 8821080767. The next prime is 8821080797. The reversal of 8821080792 is 2970801288.

It is a happy number.

It is a super-2 number, since 2×8821080792² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8821080797) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2149959 + ... + 2154057.

Almost surely, 2^8821080792 is an apocalyptic number.

8821080792 is a gapful number since it is divisible by the number (82) 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 8821080792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12709651500).

8821080792 is an abundant number, since it is smaller than the sum of its proper divisors (16598222208).

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

8821080792 is an equidigital number, since it uses as much as digits as its factorization.

8821080792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 8821080792 is about 93920.6089843970. The cubic root of 8821080792 is about 2066.2074982447.

The spelling of 8821080792 in words is "eight billion, eight hundred twenty-one million, eighty thousand, seven hundred ninety-two".