6799827857 has 2 divisors, whose sum is σ = 6799827858. Its totient is φ = 6799827856.

The previous prime is 6799827817. The next prime is 6799827889. The reversal of 6799827857 is 7587289976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6599775121 + 200052736 = 81239^2 + 14144^2 .

It is a cyclic number.

It is not a de Polignac number, because 6799827857 - 2³⁰ = 5726086033 is a prime.

It is not a weakly prime, because it can be changed into another prime (6799827817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3399913928 + 3399913929.

It is an arithmetic number, because the mean of its divisors is an integer number (3399913929).

Almost surely, 2^6799827857 is an apocalyptic number.

It is an amenable number.

6799827857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6799827857 is an equidigital number, since it uses as much as digits as its factorization.

6799827857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 68.

The square root of 6799827857 is about 82461.0687354948. The cubic root of 6799827857 is about 1894.5204874138.

The spelling of 6799827857 in words is "six billion, seven hundred ninety-nine million, eight hundred twenty-seven thousand, eight hundred fifty-seven".