2871721106 has 8 divisors (see below), whose sum is σ = 4317577344. Its totient is φ = 1432528660.

The previous prime is 2871721091. The next prime is 2871721117. The reversal of 2871721106 is 6011271782.

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

It is a super-2 number, since 2×2871721106² = 16493564221291726472, which contains 22 as substring.

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, 1664870 + ... + 1666593.

It is an arithmetic number, because the mean of its divisors is an integer number (539697168).

Almost surely, 2^2871721106 is an apocalyptic number.

2871721106 is a deficient number, since it is larger than the sum of its proper divisors (1445856238).

2871721106 is a wasteful number, since it uses less digits than its factorization.

2871721106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331896.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 2871721106 is about 53588.4419068142. The cubic root of 2871721106 is about 1421.3927197500.

Adding to 2871721106 its reverse (6011271782), we get a palindrome (8882992888).

The spelling of 2871721106 in words is "two billion, eight hundred seventy-one million, seven hundred twenty-one thousand, one hundred six".