881096897792 has 72 divisors (see below), whose sum is σ = 1820957309640. Its totient is φ = 424992727040.

The previous prime is 881096897773. The next prime is 881096897819. The reversal of 881096897792 is 297798690188.

It can be written as a sum of positive squares in 4 ways, for example, as 653743399936 + 227353497856 = 808544^2 + 476816^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8717498 + ... + 8817990.

It is an arithmetic number, because the mean of its divisors is an integer number (25291073745).

Almost surely, 2^881096897792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881096897792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910478654820).

881096897792 is an abundant number, since it is smaller than the sum of its proper divisors (939860411848).

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

881096897792 is a wasteful number, since it uses less digits than its factorization.

881096897792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101719 (or 101705 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 74.

The spelling of 881096897792 in words is "eight hundred eighty-one billion, ninety-six million, eight hundred ninety-seven thousand, seven hundred ninety-two".