8791822368 has 144 divisors (see below), whose sum is σ = 28868636160. Its totient is φ = 2485997568.

The previous prime is 8791822349. The next prime is 8791822421. The reversal of 8791822368 is 8632281978.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×8791822368² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173073 + ... + 218031.

It is an arithmetic number, because the mean of its divisors is an integer number (200476640).

Almost surely, 2^8791822368 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 8791822368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14434318080).

8791822368 is an abundant number, since it is smaller than the sum of its proper divisors (20076813792).

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

8791822368 is a wasteful number, since it uses less digits than its factorization.

8791822368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079 (or 45068 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 8791822368 is about 93764.7181406738. The cubic root of 8791822368 is about 2063.9205170402.

The spelling of 8791822368 in words is "eight billion, seven hundred ninety-one million, eight hundred twenty-two thousand, three hundred sixty-eight".