6688336773 has 16 divisors (see below), whose sum is σ = 9387872640. Its totient is φ = 4227277824.

The previous prime is 6688336717. The next prime is 6688336801. The reversal of 6688336773 is 3776338866.

6688336773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6688336773 - 2⁹ = 6688336261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688336703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421108 + ... + 436701.

It is an arithmetic number, because the mean of its divisors is an integer number (586742040).

Almost surely, 2^6688336773 is an apocalyptic number.

It is an amenable number.

6688336773 is a deficient number, since it is larger than the sum of its proper divisors (2699535867).

6688336773 is a wasteful number, since it uses less digits than its factorization.

6688336773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857948.

The product of its digits is 18289152, while the sum is 57.

The square root of 6688336773 is about 81782.2521883569. The cubic root of 6688336773 is about 1884.1090873024.

The spelling of 6688336773 in words is "six billion, six hundred eighty-eight million, three hundred thirty-six thousand, seven hundred seventy-three".