6878115 has 64 divisors (see below), whose sum is σ = 13461120. Its totient is φ = 3359232.

The previous prime is 6878107. The next prime is 6878129. The reversal of 6878115 is 5118786.

It is not a de Polignac number, because 6878115 - 2³ = 6878107 is a prime.

It is an Ulam number.

Its product of digits (13440) is a multiple of the sum of its prime factors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 6878115.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 185877 + ... + 185913.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

Almost surely, 2^6878115 is an apocalyptic number.

6878115 is a deficient number, since it is larger than the sum of its proper divisors (6583005).

6878115 is an equidigital number, since it uses as much as digits as its factorization.

6878115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 62 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 6878115 is about 2622.6160603489. The cubic root of 6878115 is about 190.1763367550.

The spelling of 6878115 in words is "six million, eight hundred seventy-eight thousand, one hundred fifteen".