6878759 has 2 divisors, whose sum is σ = 6878760. Its totient is φ = 6878758.

The previous prime is 6878749. The next prime is 6878777. The reversal of 6878759 is 9578786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6878759 - 2⁴ = 6878743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6878749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439379 + 3439380.

It is an arithmetic number, because the mean of its divisors is an integer number (3439380).

Almost surely, 2^6878759 is an apocalyptic number.

6878759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878759 is an equidigital number, since it uses as much as digits as its factorization.

6878759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The square root of 6878759 is about 2622.7388356449. The cubic root of 6878759 is about 190.1822719925.

The spelling of 6878759 in words is "six million, eight hundred seventy-eight thousand, seven hundred fifty-nine".