881800056 has 48 divisors (see below), whose sum is σ = 2390857560. Its totient is φ = 293607360.

The previous prime is 881800043. The next prime is 881800057. The reversal of 881800056 is 650008188.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881800057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63606 + ... + 76218.

Almost surely, 2^881800056 is an apocalyptic number.

It is an amenable number.

881800056 is an abundant number, since it is smaller than the sum of its proper divisors (1509057504).

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

881800056 is a wasteful number, since it uses less digits than its factorization.

881800056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596 (or 13589 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 881800056 is about 29695.1183866978. The cubic root of 881800056 is about 958.9369221695.

The spelling of 881800056 in words is "eight hundred eighty-one million, eight hundred thousand, fifty-six".