6686327297 has 32 divisors (see below), whose sum is σ = 7741843200. Its totient is φ = 5723384832.

The previous prime is 6686327281. The next prime is 6686327311. The reversal of 6686327297 is 7927236866.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6686327297 - 2⁴ = 6686327281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6686327227) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2262773 + ... + 2265725.

It is an arithmetic number, because the mean of its divisors is an integer number (241932600).

Almost surely, 2^6686327297 is an apocalyptic number.

It is an amenable number.

6686327297 is a deficient number, since it is larger than the sum of its proper divisors (1055515903).

6686327297 is a wasteful number, since it uses less digits than its factorization.

6686327297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177.

The product of its digits is 9144576, while the sum is 56.

The square root of 6686327297 is about 81769.9657392615. The cubic root of 6686327297 is about 1883.9203781433.

The spelling of 6686327297 in words is "six billion, six hundred eighty-six million, three hundred twenty-seven thousand, two hundred ninety-seven".