6806627897 has 2 divisors, whose sum is σ = 6806627898. Its totient is φ = 6806627896.

The previous prime is 6806627881. The next prime is 6806627951. The reversal of 6806627897 is 7987266086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3880791616 + 2925836281 = 62296^2 + 54091^2 .

It is a cyclic number.

It is not a de Polignac number, because 6806627897 - 2⁴ = 6806627881 is a prime.

It is not a weakly prime, because it can be changed into another prime (6806627827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403313948 + 3403313949.

It is an arithmetic number, because the mean of its divisors is an integer number (3403313949).

Almost surely, 2^6806627897 is an apocalyptic number.

It is an amenable number.

6806627897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6806627897 is an equidigital number, since it uses as much as digits as its factorization.

6806627897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 6806627897 is about 82502.2902530590. The cubic root of 6806627897 is about 1895.1518035463.

The spelling of 6806627897 in words is "six billion, eight hundred six million, six hundred twenty-seven thousand, eight hundred ninety-seven".