6806766833 has 4 divisors (see below), whose sum is σ = 7207164900. Its totient is φ = 6406368768.

The previous prime is 6806766779. The next prime is 6806766899. The reversal of 6806766833 is 3386676086.

6806766833 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6174344929 + 632421904 = 78577^2 + 25148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6806766833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6806766133) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 200199008 + ... + 200199041.

It is an arithmetic number, because the mean of its divisors is an integer number (1801791225).

Almost surely, 2^6806766833 is an apocalyptic number.

It is an amenable number.

6806766833 is a deficient number, since it is larger than the sum of its proper divisors (400398067).

6806766833 is a wasteful number, since it uses less digits than its factorization.

6806766833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400398066.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The square root of 6806766833 is about 82503.1322617511. The cubic root of 6806766833 is about 1895.1646979890.

The spelling of 6806766833 in words is "six billion, eight hundred six million, seven hundred sixty-six thousand, eight hundred thirty-three".