2871868611 has 8 divisors (see below), whose sum is σ = 3830000400. Its totient is φ = 1914157952.

The previous prime is 2871868577. The next prime is 2871868651. The reversal of 2871868611 is 1168681782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2871868611 - 2¹⁴ = 2871852227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2871868651) 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 in 7 ways as a sum of consecutive naturals, for example, 89010 + ... + 116903.

It is an arithmetic number, because the mean of its divisors is an integer number (478750050).

Almost surely, 2^2871868611 is an apocalyptic number.

2871868611 is a deficient number, since it is larger than the sum of its proper divisors (958131789).

2871868611 is a wasteful number, since it uses less digits than its factorization.

2871868611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210565.

The product of its digits is 258048, while the sum is 48.

The square root of 2871868611 is about 53589.8181653941. The cubic root of 2871868611 is about 1421.4170557882.

The spelling of 2871868611 in words is "two billion, eight hundred seventy-one million, eight hundred sixty-eight thousand, six hundred eleven".