6782211856 has 40 divisors (see below), whose sum is σ = 15039912384. Its totient is φ = 2902373760.

The previous prime is 6782211847. The next prime is 6782211869. The reversal of 6782211856 is 6581122876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32166 + ... + 120826.

Almost surely, 2^6782211856 is an apocalyptic number.

It is an amenable number.

6782211856 is an abundant number, since it is smaller than the sum of its proper divisors (8257700528).

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

6782211856 is a wasteful number, since it uses less digits than its factorization.

6782211856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89359 (or 89353 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 6782211856 is about 82354.1854188359. The cubic root of 6782211856 is about 1892.8830569225.

The spelling of 6782211856 in words is "six billion, seven hundred eighty-two million, two hundred eleven thousand, eight hundred fifty-six".