8891294880 has 384 divisors, whose sum is σ = 31015353600. Its totient is φ = 2127790080.

The previous prime is 8891294861. The next prime is 8891294887. The reversal of 8891294880 is 884921988.

It is a super-2 number, since 2×8891294880² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8891294880.

It is not an unprimeable number, because it can be changed into a prime (8891294887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59673046 + ... + 59673194.

It is an arithmetic number, because the mean of its divisors is an integer number (80769150).

Almost surely, 2^8891294880 is an apocalyptic number.

8891294880 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 8891294880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15507676800).

8891294880 is an abundant number, since it is smaller than the sum of its proper divisors (22124058720).

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

8891294880 is a wasteful number, since it uses less digits than its factorization.

8891294880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 57.

The square root of 8891294880 is about 94293.6629896198. The cubic root of 8891294880 is about 2071.6752197869.

The spelling of 8891294880 in words is "eight billion, eight hundred ninety-one million, two hundred ninety-four thousand, eight hundred eighty".