6881043844 has 12 divisors (see below), whose sum is σ = 12066969600. Its totient is φ = 3433338248.

The previous prime is 6881043839. The next prime is 6881043863. The reversal of 6881043844 is 4483401886.

It is a junction number, because it is equal to n+sod(n) for n = 6881043794 and 6881043803.

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 3 ways as a sum of consecutive naturals, for example, 1793764 + ... + 1797595.

It is an arithmetic number, because the mean of its divisors is an integer number (1005580800).

Almost surely, 2^6881043844 is an apocalyptic number.

It is an amenable number.

6881043844 is a deficient number, since it is larger than the sum of its proper divisors (5185925756).

6881043844 is a wasteful number, since it uses less digits than its factorization.

6881043844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591842 (or 3591840 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The square root of 6881043844 is about 82952.0575031144. The cubic root of 6881043844 is about 1902.0332660038.

The spelling of 6881043844 in words is "six billion, eight hundred eighty-one million, forty-three thousand, eight hundred forty-four".