6694879 has 2 divisors, whose sum is σ = 6694880. Its totient is φ = 6694878.

The previous prime is 6694871. The next prime is 6694901. The reversal of 6694879 is 9784966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6694879 - 2³ = 6694871 is a 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 (6694871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3347439 + 3347440.

It is an arithmetic number, because the mean of its divisors is an integer number (3347440).

Almost surely, 2^6694879 is an apocalyptic number.

6694879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6694879 is an equidigital number, since it uses as much as digits as its factorization.

6694879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 6694879 is about 2587.4464245661. The cubic root of 6694879 is about 188.4723203733.

The spelling of 6694879 in words is "six million, six hundred ninety-four thousand, eight hundred seventy-nine".