881780256 has 240 divisors, whose sum is σ = 3094084224. Its totient is φ = 240869376.

The previous prime is 881780209. The next prime is 881780287. The reversal of 881780256 is 652087188.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 416256 + ... + 418368.

Almost surely, 2^881780256 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 881780256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547042112).

881780256 is an abundant number, since it is smaller than the sum of its proper divisors (2212303968).

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

881780256 is a wasteful number, since it uses less digits than its factorization.

881780256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 881780256 is about 29694.7849966960. The cubic root of 881780256 is about 958.9297447702.

The spelling of 881780256 in words is "eight hundred eighty-one million, seven hundred eighty thousand, two hundred fifty-six".