8821788480 has 84 divisors (see below), whose sum is σ = 30343286532. Its totient is φ = 2352476160.

The previous prime is 8821788457. The next prime is 8821788497. The reversal of 8821788480 is 848871288.

8821788480 is a `hidden beast` number, since 8 + 82 + 1 + 7 + 88 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5026242816 + 3795545664 = 70896^2 + 61608^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1528681 + ... + 1534440.

Almost surely, 2^8821788480 is an apocalyptic number.

8821788480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8821788480 is an abundant number, since it is smaller than the sum of its proper divisors (21521498052).

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

8821788480 is a wasteful number, since it uses less digits than its factorization.

8821788480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063144 (or 3063131 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 54.

The square root of 8821788480 is about 93924.3763886671. The cubic root of 8821788480 is about 2066.2627519105.

The spelling of 8821788480 in words is "eight billion, eight hundred twenty-one million, seven hundred eighty-eight thousand, four hundred eighty".