6798985871 has 2 divisors, whose sum is σ = 6798985872. Its totient is φ = 6798985870.

The previous prime is 6798985861. The next prime is 6798986003. The reversal of 6798985871 is 1785898976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6798985871 - 2¹⁸ = 6798723727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6798985861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3399492935 + 3399492936.

It is an arithmetic number, because the mean of its divisors is an integer number (3399492936).

Almost surely, 2^6798985871 is an apocalyptic number.

6798985871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6798985871 is an equidigital number, since it uses as much as digits as its factorization.

6798985871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 68.

The square root of 6798985871 is about 82455.9632228015. The cubic root of 6798985871 is about 1894.4422881022.

The spelling of 6798985871 in words is "six billion, seven hundred ninety-eight million, nine hundred eighty-five thousand, eight hundred seventy-one".