8821986480 has 320 divisors, whose sum is σ = 31520839680. Its totient is φ = 2266361856.

The previous prime is 8821986389. The next prime is 8821986491. The reversal of 8821986480 is 846891288.

8821986480 is a `hidden beast` number, since 8 + 82 + 1 + 9 + 86 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6801192 + ... + 6802488.

It is an arithmetic number, because the mean of its divisors is an integer number (98502624).

Almost surely, 2^8821986480 is an apocalyptic number.

8821986480 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 8821986480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15760419840).

8821986480 is an abundant number, since it is smaller than the sum of its proper divisors (22698853200).

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

8821986480 is a wasteful number, since it uses less digits than its factorization.

8821986480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The square root of 8821986480 is about 93925.4304222238. The cubic root of 8821986480 is about 2066.2782104903.

The spelling of 8821986480 in words is "eight billion, eight hundred twenty-one million, nine hundred eighty-six thousand, four hundred eighty".