6879879 has 6 divisors (see below), whose sum is σ = 9937616. Its totient is φ = 4586580.

The previous prime is 6879869. The next prime is 6879889. The reversal of 6879879 is 9789786.

It is an interprime number because it is at equal distance from previous prime (6879869) and next prime (6879889).

It is not a de Polignac number, because 6879879 - 2¹⁶ = 6814343 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 (6879839) 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 in 5 ways as a sum of consecutive naturals, for example, 382207 + ... + 382224.

Almost surely, 2^6879879 is an apocalyptic number.

6879879 is a deficient number, since it is larger than the sum of its proper divisors (3057737).

6879879 is a wasteful number, since it uses less digits than its factorization.

6879879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764437 (or 764434 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 6879879 is about 2622.9523442106. The cubic root of 6879879 is about 190.1925932624.

The spelling of 6879879 in words is "six million, eight hundred seventy-nine thousand, eight hundred seventy-nine".