6427879 has 12 divisors (see below), whose sum is σ = 6967800. Its totient is φ = 5922224.

The previous prime is 6427831. The next prime is 6427891. The reversal of 6427879 is 9787246.

It is not a de Polignac number, because 6427879 - 2⁹ = 6427367 is a prime.

It is a Duffinian number.

6427879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15132 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (580650).

Almost surely, 2^6427879 is an apocalyptic number.

6427879 is a deficient number, since it is larger than the sum of its proper divisors (539921).

6427879 is a wasteful number, since it uses less digits than its factorization.

6427879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 471 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 6427879 is about 2535.3262117526. The cubic root of 6427879 is about 185.9327521185.

The spelling of 6427879 in words is "six million, four hundred twenty-seven thousand, eight hundred seventy-nine".