6879257 has 12 divisors (see below), whose sum is σ = 8730576. Its totient is φ = 5360040.

The previous prime is 6879253. The next prime is 6879259. The reversal of 6879257 is 7529786.

It is not a de Polignac number, because 6879257 - 2² = 6879253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6879253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5843 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (727548).

Almost surely, 2^6879257 is an apocalyptic number.

It is an amenable number.

6879257 is a deficient number, since it is larger than the sum of its proper divisors (1851319).

6879257 is a wasteful number, since it uses less digits than its factorization.

6879257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788 (or 12781 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 6879257 is about 2622.8337728495. The cubic root of 6879257 is about 190.1868614098.

The spelling of 6879257 in words is "six million, eight hundred seventy-nine thousand, two hundred fifty-seven".