6806770837 has 2 divisors, whose sum is σ = 6806770838. Its totient is φ = 6806770836.

The previous prime is 6806770813. The next prime is 6806770909. The reversal of 6806770837 is 7380776086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6115396401 + 691374436 = 78201^2 + 26294^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6806770837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6806770937) 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, 3403385418 + 3403385419.

It is an arithmetic number, because the mean of its divisors is an integer number (3403385419).

Almost surely, 2^6806770837 is an apocalyptic number.

It is an amenable number.

6806770837 is a deficient number, since it is larger than the sum of its proper divisors (1).

6806770837 is an equidigital number, since it uses as much as digits as its factorization.

6806770837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The square root of 6806770837 is about 82503.1565274929. The cubic root of 6806770837 is about 1895.1650695916.

The spelling of 6806770837 in words is "six billion, eight hundred six million, seven hundred seventy thousand, eight hundred thirty-seven".