881045774428 has 24 divisors (see below), whose sum is σ = 1553698292384. Its totient is φ = 437138208000.

The previous prime is 881045774419. The next prime is 881045774431. The reversal of 881045774428 is 824477540188.

It is a happy number.

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, 212433 + ... + 1344328.

Almost surely, 2^881045774428 is an apocalyptic number.

It is an amenable number.

881045774428 is a deficient number, since it is larger than the sum of its proper divisors (672652517956).

881045774428 is a wasteful number, since it uses less digits than its factorization.

881045774428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557853 (or 1557851 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 58.

The spelling of 881045774428 in words is "eight hundred eighty-one billion, forty-five million, seven hundred seventy-four thousand, four hundred twenty-eight".