881280000 has 550 divisors, whose sum is σ = 3481983846. Its totient is φ = 221184000.

The previous prime is 881279999. The next prime is 881280031. The reversal of 881280000 is 82188.

It can be written as a sum of positive squares in 5 ways, for example, as 224280576 + 656999424 = 14976^2 + 25632^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 51839992 + ... + 51840008.

Almost surely, 2^881280000 is an apocalyptic number.

881280000 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 881280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740991923).

881280000 is an abundant number, since it is smaller than the sum of its proper divisors (2600703846).

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

881280000 is an equidigital number, since it uses as much as digits as its factorization.

881280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 881280000 is about 29686.3605044472. The cubic root of 881280000 is about 958.7483688545.

The spelling of 881280000 in words is "eight hundred eighty-one million, two hundred eighty thousand".