6878650 has 12 divisors (see below), whose sum is σ = 12794382. Its totient is φ = 2751440.

The previous prime is 6878647. The next prime is 6878657. The reversal of 6878650 is 568786.

It can be written as a sum of positive squares in 3 ways, for example, as 5803281 + 1075369 = 2409^2 + 1037^2 .

It is not an unprimeable number, because it can be changed into a prime (6878657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68737 + ... + 68836.

Almost surely, 2^6878650 is an apocalyptic number.

6878650 is a deficient number, since it is larger than the sum of its proper divisors (5915732).

6878650 is a wasteful number, since it uses less digits than its factorization.

6878650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137585 (or 137580 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 6878650 is about 2622.7180557582. The cubic root of 6878650 is about 190.1812674520.

The spelling of 6878650 in words is "six million, eight hundred seventy-eight thousand, six hundred fifty".