6881256882 has 16 divisors (see below), whose sum is σ = 15291682080. Its totient is φ = 2293752276.

The previous prime is 6881256869. The next prime is 6881256913. The reversal of 6881256882 is 2886521886.

It is a happy number.

6881256882 is a `hidden beast` number, since 68 + 8 + 12 + 568 + 8 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 127430683 = 6881256882 / (6 + 8 + 8 + 1 + 2 + 5 + 6 + 8 + 8 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63715288 + ... + 63715395.

It is an arithmetic number, because the mean of its divisors is an integer number (955730130).

Almost surely, 2^6881256882 is an apocalyptic number.

6881256882 is an abundant number, since it is smaller than the sum of its proper divisors (8410425198).

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

6881256882 is a wasteful number, since it uses less digits than its factorization.

6881256882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127430694 (or 127430688 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 6881256882 is about 82953.3415963456. The cubic root of 6881256882 is about 1902.0528948659.

The spelling of 6881256882 in words is "six billion, eight hundred eighty-one million, two hundred fifty-six thousand, eight hundred eighty-two".