6859679 has 2 divisors, whose sum is σ = 6859680. Its totient is φ = 6859678.

The previous prime is 6859667. The next prime is 6859691. The reversal of 6859679 is 9769586.

It is a balanced prime because it is at equal distance from previous prime (6859667) and next prime (6859691).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6859679 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6859609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429839 + 3429840.

It is an arithmetic number, because the mean of its divisors is an integer number (3429840).

Almost surely, 2^6859679 is an apocalyptic number.

6859679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6859679 is an equidigital number, since it uses as much as digits as its factorization.

6859679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 50.

The square root of 6859679 is about 2619.0988908401. The cubic root of 6859679 is about 190.0062694145.

The spelling of 6859679 in words is "six million, eight hundred fifty-nine thousand, six hundred seventy-nine".