6881407534828 has 12 divisors (see below), whose sum is σ = 12187553104440. Its totient is φ = 3399249504992.

The previous prime is 6881407534817. The next prime is 6881407534889. The reversal of 6881407534828 is 8284357041886.

It is a self number, because there is not a number n which added to its sum of digits gives 6881407534828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10363565233 + ... + 10363565896.

It is an arithmetic number, because the mean of its divisors is an integer number (1015629425370).

Almost surely, 2^{6881407534828} is an apocalyptic number.

It is an amenable number.

6881407534828 is a deficient number, since it is larger than the sum of its proper divisors (5306145569612).

6881407534828 is a wasteful number, since it uses less digits than its factorization.

6881407534828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20727131216 (or 20727131214 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 64.

The spelling of 6881407534828 in words is "six trillion, eight hundred eighty-one billion, four hundred seven million, five hundred thirty-four thousand, eight hundred twenty-eight".