6878347 has 4 divisors (see below), whose sum is σ = 7860976. Its totient is φ = 5895720.

The previous prime is 6878341. The next prime is 6878351. The reversal of 6878347 is 7438786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7438786 = 2 ⋅3719393.

It is a cyclic number.

It is not a de Polignac number, because 6878347 - 2¹⁹ = 6354059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6878341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491304 + ... + 491317.

It is an arithmetic number, because the mean of its divisors is an integer number (1965244).

Almost surely, 2^6878347 is an apocalyptic number.

6878347 is a deficient number, since it is larger than the sum of its proper divisors (982629).

6878347 is an equidigital number, since it uses as much as digits as its factorization.

6878347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982628.

The product of its digits is 225792, while the sum is 43.

The square root of 6878347 is about 2622.6602906210. The cubic root of 6878347 is about 190.1784749578.

It can be divided in two parts, 6878 and 347, that added together give a square (7225 = 85²).

The spelling of 6878347 in words is "six million, eight hundred seventy-eight thousand, three hundred forty-seven".