2871328438 has 32 divisors (see below), whose sum is σ = 4929684480. Its totient is φ = 1242324000.

The previous prime is 2871328429. The next prime is 2871328457. The reversal of 2871328438 is 8348231782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7093 + ... + 76111.

It is an arithmetic number, because the mean of its divisors is an integer number (154052640).

Almost surely, 2^2871328438 is an apocalyptic number.

2871328438 is a deficient number, since it is larger than the sum of its proper divisors (2058356042).

2871328438 is a wasteful number, since it uses less digits than its factorization.

2871328438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69124.

The product of its digits is 516096, while the sum is 46.

The square root of 2871328438 is about 53584.7780437691. The cubic root of 2871328438 is about 1421.3279315554.

The spelling of 2871328438 in words is "two billion, eight hundred seventy-one million, three hundred twenty-eight thousand, four hundred thirty-eight".