6878850 has 72 divisors (see below), whose sum is σ = 18800880. Its totient is φ = 1663200.

The previous prime is 6878849. The next prime is 6878867. The reversal of 6878850 is 588786.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17961 + ... + 18339.

Almost surely, 2^6878850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6878850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9400440).

6878850 is an abundant number, since it is smaller than the sum of its proper divisors (11922030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6878850 is a wasteful number, since it uses less digits than its factorization.

6878850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 6878850 is about 2622.7561838646. The cubic root of 6878850 is about 190.1831106375.

Subtracting from 6878850 its reverse (588786), we obtain a square (6290064 = 2508²).

The spelling of 6878850 in words is "six million, eight hundred seventy-eight thousand, eight hundred fifty".