6884047879 has 2 divisors, whose sum is σ = 6884047880. Its totient is φ = 6884047878.

The previous prime is 6884047853. The next prime is 6884047889. The reversal of 6884047879 is 9787404886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6884047879 - 2⁹ = 6884047367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6884047889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442023939 + 3442023940.

It is an arithmetic number, because the mean of its divisors is an integer number (3442023940).

Almost surely, 2^6884047879 is an apocalyptic number.

6884047879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6884047879 is an equidigital number, since it uses as much as digits as its factorization.

6884047879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The square root of 6884047879 is about 82970.1625827020. The cubic root of 6884047879 is about 1902.3100139000.

The spelling of 6884047879 in words is "six billion, eight hundred eighty-four million, forty-seven thousand, eight hundred seventy-nine".