8791888896 has 198 divisors, whose sum is σ = 29532621690. Its totient is φ = 2511839232.

The previous prime is 8791888883. The next prime is 8791888939. The reversal of 8791888896 is 6988881978.

It can be written as a sum of positive squares in only one way, i.e., 7056000000 + 1735888896 = 84000^2 + 41664^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 441850 + ... + 461318.

It is an arithmetic number, because the mean of its divisors is an integer number (149154655).

Almost surely, 2^8791888896 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 8791888896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14766310845).

8791888896 is an abundant number, since it is smaller than the sum of its proper divisors (20740732794).

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

8791888896 is a wasteful number, since it uses less digits than its factorization.

8791888896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19509 (or 19481 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 72.

The square root of 8791888896 is about 93765.0729003076. The cubic root of 8791888896 is about 2063.9257229445.

The spelling of 8791888896 in words is "eight billion, seven hundred ninety-one million, eight hundred eighty-eight thousand, eight hundred ninety-six".