2871571628 has 24 divisors (see below), whose sum is σ = 5166258384. Its totient is φ = 1395576000.

The previous prime is 2871571627. The next prime is 2871571639. The reversal of 2871571628 is 8261751782.

It is a super-2 number, since 2×2871571628² = 16491847229469140768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2871571627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146318 + ... + 164778.

It is an arithmetic number, because the mean of its divisors is an integer number (215260766).

Almost surely, 2^2871571628 is an apocalyptic number.

It is an amenable number.

2871571628 is a deficient number, since it is larger than the sum of its proper divisors (2294686756).

2871571628 is a wasteful number, since it uses less digits than its factorization.

2871571628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19553 (or 19551 counting only the distinct ones).

The product of its digits is 376320, while the sum is 47.

The square root of 2871571628 is about 53587.0472035920. The cubic root of 2871571628 is about 1421.3680573472.

The spelling of 2871571628 in words is "two billion, eight hundred seventy-one million, five hundred seventy-one thousand, six hundred twenty-eight".