6706543871 has 2 divisors, whose sum is σ = 6706543872. Its totient is φ = 6706543870.

The previous prime is 6706543861. The next prime is 6706543889. The reversal of 6706543871 is 1783456076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6706543871 - 2⁶ = 6706543807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6706543861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3353271935 + 3353271936.

It is an arithmetic number, because the mean of its divisors is an integer number (3353271936).

Almost surely, 2^6706543871 is an apocalyptic number.

6706543871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6706543871 is an equidigital number, since it uses as much as digits as its factorization.

6706543871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 6706543871 is about 81893.4910172964. The cubic root of 6706543871 is about 1885.8171889910.

The spelling of 6706543871 in words is "six billion, seven hundred six million, five hundred forty-three thousand, eight hundred seventy-one".