6679879 has 6 divisors (see below), whose sum is σ = 6747504. Its totient is φ = 6612840.

The previous prime is 6679853. The next prime is 6679901. The reversal of 6679879 is 9789766.

It is not a de Polignac number, because 6679879 - 2¹¹ = 6677831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24514 + ... + 24784.

It is an arithmetic number, because the mean of its divisors is an integer number (1124584).

Almost surely, 2^6679879 is an apocalyptic number.

6679879 is a deficient number, since it is larger than the sum of its proper divisors (67625).

6679879 is an equidigital number, since it uses as much as digits as its factorization.

6679879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 428 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The square root of 6679879 is about 2584.5461884052. The cubic root of 6679879 is about 188.3314565471.

The spelling of 6679879 in words is "six million, six hundred seventy-nine thousand, eight hundred seventy-nine".