6879547 has 4 divisors (see below), whose sum is σ = 6885040. Its totient is φ = 6874056.

The previous prime is 6879541. The next prime is 6879581. The reversal of 6879547 is 7459786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6879547 - 2⁷ = 6879419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6879497 and 6879506.

It is not an unprimeable number, because it can be changed into a prime (6879541) 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, 154 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (1721260).

Almost surely, 2^6879547 is an apocalyptic number.

6879547 is a deficient number, since it is larger than the sum of its proper divisors (5493).

6879547 is a wasteful number, since it uses less digits than its factorization.

6879547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492.

The product of its digits is 423360, while the sum is 46.

The square root of 6879547 is about 2622.8890559839. The cubic root of 6879547 is about 190.1895338600.

The spelling of 6879547 in words is "six million, eight hundred seventy-nine thousand, five hundred forty-seven".