881969144 has 32 divisors (see below), whose sum is σ = 1902636000. Its totient is φ = 375446400.

The previous prime is 881969117. The next prime is 881969161. The reversal of 881969144 is 441969188.

It is a junction number, because it is equal to n+sod(n) for n = 881969092 and 881969101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44507 + ... + 61194.

It is an arithmetic number, because the mean of its divisors is an integer number (59457375).

Almost surely, 2^881969144 is an apocalyptic number.

It is an amenable number.

881969144 is an abundant number, since it is smaller than the sum of its proper divisors (1020666856).

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

881969144 is a wasteful number, since it uses less digits than its factorization.

881969144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105863 (or 105859 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 881969144 is about 29697.9653175095. The cubic root of 881969144 is about 958.9982113330.

The spelling of 881969144 in words is "eight hundred eighty-one million, nine hundred sixty-nine thousand, one hundred forty-four".