6885728299 has 2 divisors, whose sum is σ = 6885728300. Its totient is φ = 6885728298.

The previous prime is 6885728287. The next prime is 6885728323. The reversal of 6885728299 is 9928275886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6885728299 - 2¹¹ = 6885726251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6885728299.

It is not a weakly prime, because it can be changed into another prime (6885728099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442864149 + 3442864150.

It is an arithmetic number, because the mean of its divisors is an integer number (3442864150).

Almost surely, 2^6885728299 is an apocalyptic number.

6885728299 is a deficient number, since it is larger than the sum of its proper divisors (1).

6885728299 is an equidigital number, since it uses as much as digits as its factorization.

6885728299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 64.

The square root of 6885728299 is about 82980.2886172373. The cubic root of 6885728299 is about 1902.4647881345.

The spelling of 6885728299 in words is "six billion, eight hundred eighty-five million, seven hundred twenty-eight thousand, two hundred ninety-nine".