6578879 has 4 divisors (see below), whose sum is σ = 6587184. Its totient is φ = 6570576.

The previous prime is 6578867. The next prime is 6578899. The reversal of 6578879 is 9788756.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6578879 - 2⁴ = 6578863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6578839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (1646796).

Almost surely, 2^6578879 is an apocalyptic number.

6578879 is a deficient number, since it is larger than the sum of its proper divisors (8305).

6578879 is an equidigital number, since it uses as much as digits as its factorization.

6578879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8304.

The product of its digits is 846720, while the sum is 50.

The square root of 6578879 is about 2564.9325527195. The cubic root of 6578879 is about 187.3774393122.

The spelling of 6578879 in words is "six million, five hundred seventy-eight thousand, eight hundred seventy-nine".