8881027920 has 280 divisors, whose sum is σ = 31155825096. Its totient is φ = 2353204224.

The previous prime is 8881027907. The next prime is 8881027951. The reversal of 8881027920 is 297201888.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1209370176 + 7671657744 = 34776^2 + 87588^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 11488654 + ... + 11489426.

Almost surely, 2^8881027920 is an apocalyptic number.

8881027920 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 8881027920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15577912548).

8881027920 is an abundant number, since it is smaller than the sum of its proper divisors (22274797176).

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

8881027920 is a wasteful number, since it uses less digits than its factorization.

8881027920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 8881027920 is about 94239.2058540393. The cubic root of 8881027920 is about 2070.8775107524.

The spelling of 8881027920 in words is "eight billion, eight hundred eighty-one million, twenty-seven thousand, nine hundred twenty".