6878867 has 2 divisors, whose sum is σ = 6878868. Its totient is φ = 6878866.

The previous prime is 6878849. The next prime is 6878891. The reversal of 6878867 is 7688786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6878867 - 2⁶ = 6878803 is a prime.

It is a super-2 number, since 2×6878867² = 94637622407378, which contains 22 as substring.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (6878827) 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 as a sum of consecutive naturals, namely, 3439433 + 3439434.

It is an arithmetic number, because the mean of its divisors is an integer number (3439434).

Almost surely, 2^6878867 is an apocalyptic number.

6878867 is a deficient number, since it is larger than the sum of its proper divisors (1).

6878867 is an equidigital number, since it uses as much as digits as its factorization.

6878867 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6878867 is about 2622.7594247281. The cubic root of 6878867 is about 190.1832673066.

The spelling of 6878867 in words is "six million, eight hundred seventy-eight thousand, eight hundred sixty-seven".