881139792 has 80 divisors (see below), whose sum is σ = 2456662208. Its totient is φ = 270535680.

The previous prime is 881139781. The next prime is 881139797. The reversal of 881139792 is 297931188.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881139797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355068 + ... + 357540.

Almost surely, 2^881139792 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 881139792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228331104).

881139792 is an abundant number, since it is smaller than the sum of its proper divisors (1575522416).

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

881139792 is a wasteful number, since it uses less digits than its factorization.

881139792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068 (or 3062 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 881139792 is about 29683.9989219782. The cubic root of 881139792 is about 958.6975218589.

The spelling of 881139792 in words is "eight hundred eighty-one million, one hundred thirty-nine thousand, seven hundred ninety-two".