2872571871 has 32 divisors (see below), whose sum is σ = 4264395520. Its totient is φ = 1708729344.

The previous prime is 2872571837. The next prime is 2872571893. The reversal of 2872571871 is 1781752782.

It is a happy number.

It is not a de Polignac number, because 2872571871 - 2¹⁰ = 2872570847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2872571871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872571071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153840 + ... + 171498.

It is an arithmetic number, because the mean of its divisors is an integer number (133262360).

Almost surely, 2^2872571871 is an apocalyptic number.

2872571871 is a deficient number, since it is larger than the sum of its proper divisors (1391823649).

2872571871 is a wasteful number, since it uses less digits than its factorization.

2872571871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815.

The product of its digits is 439040, while the sum is 48.

The square root of 2872571871 is about 53596.3792713650. The cubic root of 2872571871 is about 1421.5330713294.

The spelling of 2872571871 in words is "two billion, eight hundred seventy-two million, five hundred seventy-one thousand, eight hundred seventy-one".