881974384389 has 12 divisors (see below), whose sum is σ = 1455957714016. Its totient is φ = 503985362472.

The previous prime is 881974384337. The next prime is 881974384409. The reversal of 881974384389 is 983483479188.

881974384389 is a `hidden beast` number, since 8 + 81 + 97 + 4 + 3 + 84 + 389 = 666.

It is not a de Polignac number, because 881974384389 - 2²⁸ = 881705948933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881974384589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6999796639 + ... + 6999796764.

Almost surely, 2^881974384389 is an apocalyptic number.

It is an amenable number.

881974384389 is a deficient number, since it is larger than the sum of its proper divisors (573983329627).

881974384389 is a wasteful number, since it uses less digits than its factorization.

881974384389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13999593416 (or 13999593413 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 72.

The spelling of 881974384389 in words is "eight hundred eighty-one billion, nine hundred seventy-four million, three hundred eighty-four thousand, three hundred eighty-nine".