6878039 has 4 divisors (see below), whose sum is σ = 7860624. Its totient is φ = 5895456.

The previous prime is 6878033. The next prime is 6878059. The reversal of 6878039 is 9308786.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6878039 - 2⁴ = 6878023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6877987 and 6878005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6878033) 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, 491282 + ... + 491295.

It is an arithmetic number, because the mean of its divisors is an integer number (1965156).

Almost surely, 2^6878039 is an apocalyptic number.

6878039 is a deficient number, since it is larger than the sum of its proper divisors (982585).

6878039 is an equidigital number, since it uses as much as digits as its factorization.

6878039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982584.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 6878039 is about 2622.6015709596. The cubic root of 6878039 is about 190.1756362988.

The spelling of 6878039 in words is "six million, eight hundred seventy-eight thousand, thirty-nine".