6871199999 has 16 divisors (see below), whose sum is σ = 7299486720. Its totient is φ = 6457651200.

The previous prime is 6871199981. The next prime is 6871200001. The reversal of 6871199999 is 9999911786.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6871199999 - 2⁸ = 6871199743 is a prime.

It is a Duffinian number.

6871199999 is a modest number, since divided by 99999 gives 68711 as remainder.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6871199939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177599 + ... + 212799.

It is an arithmetic number, because the mean of its divisors is an integer number (456217920).

Almost surely, 2^6871199999 is an apocalyptic number.

6871199999 is a deficient number, since it is larger than the sum of its proper divisors (428286721).

6871199999 is a wasteful number, since it uses less digits than its factorization.

6871199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35410.

The product of its digits is 19840464, while the sum is 68.

The square root of 6871199999 is about 82892.7017233725. The cubic root of 6871199999 is about 1901.1258331322.

The spelling of 6871199999 in words is "six billion, eight hundred seventy-one million, one hundred ninety-nine thousand, nine hundred ninety-nine".