6878542 has 16 divisors (see below), whose sum is σ = 11394432. Its totient is φ = 3088120.

The previous prime is 6878533. The next prime is 6878567. The reversal of 6878542 is 2458786.

It is a junction number, because it is equal to n+sod(n) for n = 6878495 and 6878504.

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 7 ways as a sum of consecutive naturals, for example, 58 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (712152).

Almost surely, 2^6878542 is an apocalyptic number.

6878542 is a deficient number, since it is larger than the sum of its proper divisors (4515890).

6878542 is a wasteful number, since it uses less digits than its factorization.

6878542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863.

The product of its digits is 107520, while the sum is 40.

The square root of 6878542 is about 2622.6974663502. The cubic root of 6878542 is about 190.1802721169.

It can be divided in two parts, 687 and 8542, that added together give a palindrome (9229).

The spelling of 6878542 in words is "six million, eight hundred seventy-eight thousand, five hundred forty-two".