2871385738 has 16 divisors (see below), whose sum is σ = 4648976640. Its totient is φ = 1322230896.

The previous prime is 2871385691. The next prime is 2871385739. The reversal of 2871385738 is 8375831782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2871385739) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 114370 + ... + 137197.

It is an arithmetic number, because the mean of its divisors is an integer number (290561040).

Almost surely, 2^2871385738 is an apocalyptic number.

2871385738 is a deficient number, since it is larger than the sum of its proper divisors (1777590902).

2871385738 is a wasteful number, since it uses less digits than its factorization.

2871385738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252021.

The product of its digits is 2257920, while the sum is 52.

The square root of 2871385738 is about 53585.3127078680. The cubic root of 2871385738 is about 1421.3373861279.

The spelling of 2871385738 in words is "two billion, eight hundred seventy-one million, three hundred eighty-five thousand, seven hundred thirty-eight".