2871944806 has 8 divisors (see below), whose sum is σ = 4320333000. Its totient is φ = 1431833808.

The previous prime is 2871944767. The next prime is 2871944819. The reversal of 2871944806 is 6084491782.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2871944806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2068431 + ... + 2069818.

It is an arithmetic number, because the mean of its divisors is an integer number (540041625).

Almost surely, 2^2871944806 is an apocalyptic number.

2871944806 is a deficient number, since it is larger than the sum of its proper divisors (1448388194).

2871944806 is a wasteful number, since it uses less digits than its factorization.

2871944806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138598.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 2871944806 is about 53590.5290699765. The cubic root of 2871944806 is about 1421.4296264555.

The spelling of 2871944806 in words is "two billion, eight hundred seventy-one million, nine hundred forty-four thousand, eight hundred six".