8919878880 has 192 divisors, whose sum is σ = 30721420800. Its totient is φ = 2157496320.

The previous prime is 8919878827. The next prime is 8919878893. The reversal of 8919878880 is 888789198.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2685861 + ... + 2689179.

It is an arithmetic number, because the mean of its divisors is an integer number (160007400).

Almost surely, 2^8919878880 is an apocalyptic number.

8919878880 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 8919878880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15360710400).

8919878880 is an abundant number, since it is smaller than the sum of its proper divisors (21801541920).

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

8919878880 is a wasteful number, since it uses less digits than its factorization.

8919878880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 66.

The square root of 8919878880 is about 94445.1104081095. The cubic root of 8919878880 is about 2073.8928727872.

The spelling of 8919878880 in words is "eight billion, nine hundred nineteen million, eight hundred seventy-eight thousand, eight hundred eighty".