6887678 has 8 divisors (see below), whose sum is σ = 11807472. Its totient is φ = 2951856.

The previous prime is 6887677. The next prime is 6887681. The reversal of 6887678 is 8767886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887677) 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 3 ways as a sum of consecutive naturals, for example, 245975 + ... + 246002.

It is an arithmetic number, because the mean of its divisors is an integer number (1475934).

Almost surely, 2^6887678 is an apocalyptic number.

6887678 is a deficient number, since it is larger than the sum of its proper divisors (4919794).

6887678 is a wasteful number, since it uses less digits than its factorization.

6887678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491986.

The product of its digits is 903168, while the sum is 50.

The square root of 6887678 is about 2624.4386066357. The cubic root of 6887678 is about 190.2644332805.

The spelling of 6887678 in words is "six million, eight hundred eighty-seven thousand, six hundred seventy-eight".