6878975 has 6 divisors (see below), whose sum is σ = 8529960. Its totient is φ = 5503160.

The previous prime is 6878959. The next prime is 6878981. The reversal of 6878975 is 5798786.

It is a happy number.

It is not a de Polignac number, because 6878975 - 2⁴ = 6878959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137555 + ... + 137604.

It is an arithmetic number, because the mean of its divisors is an integer number (1421660).

Almost surely, 2^6878975 is an apocalyptic number.

6878975 is a deficient number, since it is larger than the sum of its proper divisors (1650985).

6878975 is a wasteful number, since it uses less digits than its factorization.

6878975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275169 (or 275164 counting only the distinct ones).

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

The square root of 6878975 is about 2622.7800136496. The cubic root of 6878975 is about 190.1842626103.

The spelling of 6878975 in words is "six million, eight hundred seventy-eight thousand, nine hundred seventy-five".