6789328657 has 2 divisors, whose sum is σ = 6789328658. Its totient is φ = 6789328656.

The previous prime is 6789328627. The next prime is 6789328759. The reversal of 6789328657 is 7568239876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4217723136 + 2571605521 = 64944^2 + 50711^2 .

It is a cyclic number.

It is not a de Polignac number, because 6789328657 - 2¹⁵ = 6789295889 is a prime.

It is a super-2 number, since 2×6789328657² = 92189967225522847298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6789328595 and 6789328604.

It is not a weakly prime, because it can be changed into another prime (6789328627) 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 as a sum of consecutive naturals, namely, 3394664328 + 3394664329.

It is an arithmetic number, because the mean of its divisors is an integer number (3394664329).

Almost surely, 2^6789328657 is an apocalyptic number.

It is an amenable number.

6789328657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6789328657 is an equidigital number, since it uses as much as digits as its factorization.

6789328657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 61.

The square root of 6789328657 is about 82397.3825858565. The cubic root of 6789328657 is about 1893.5449139052.

The spelling of 6789328657 in words is "six billion, seven hundred eighty-nine million, three hundred twenty-eight thousand, six hundred fifty-seven".