6187878 has 12 divisors (see below), whose sum is σ = 13407108. Its totient is φ = 2062620.

The previous prime is 6187873. The next prime is 6187889. The reversal of 6187878 is 8787816.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6187871) 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, 171868 + ... + 171903.

It is an arithmetic number, because the mean of its divisors is an integer number (1117259).

Almost surely, 2^6187878 is an apocalyptic number.

6187878 is an abundant number, since it is smaller than the sum of its proper divisors (7219230).

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

6187878 is a wasteful number, since it uses less digits than its factorization.

6187878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343779 (or 343776 counting only the distinct ones).

The product of its digits is 150528, while the sum is 45.

The square root of 6187878 is about 2487.5445724650. The cubic root of 6187878 is about 183.5892499437.

The spelling of 6187878 in words is "six million, one hundred eighty-seven thousand, eight hundred seventy-eight".