6599779 has 2 divisors, whose sum is σ = 6599780. Its totient is φ = 6599778.

The previous prime is 6599759. The next prime is 6599797. The reversal of 6599779 is 9779956.

6599779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (6599797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6599779 - 2⁹ = 6599267 is a prime.

It is not a weakly prime, because it can be changed into another prime (6599759) 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 as a sum of consecutive naturals, namely, 3299889 + 3299890.

It is an arithmetic number, because the mean of its divisors is an integer number (3299890).

Almost surely, 2^6599779 is an apocalyptic number.

6599779 is a deficient number, since it is larger than the sum of its proper divisors (1).

6599779 is an equidigital number, since it uses as much as digits as its factorization.

6599779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071630, while the sum is 52.

The square root of 6599779 is about 2569.0035033063. The cubic root of 6599779 is about 187.5756518425.

The spelling of 6599779 in words is "six million, five hundred ninety-nine thousand, seven hundred seventy-nine".