2871555338 has 4 divisors (see below), whose sum is σ = 4307333010. Its totient is φ = 1435777668.

The previous prime is 2871555307. The next prime is 2871555343. The reversal of 2871555338 is 8335551782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2796611689 + 74943649 = 52883^2 + 8657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2871555292 and 2871555301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717888833 + ... + 717888836.

Almost surely, 2^2871555338 is an apocalyptic number.

2871555338 is a deficient number, since it is larger than the sum of its proper divisors (1435777672).

2871555338 is a wasteful number, since it uses less digits than its factorization.

2871555338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435777671.

The product of its digits is 1008000, while the sum is 47.

The square root of 2871555338 is about 53586.8952076905. The cubic root of 2871555338 is about 1421.3653696054.

The spelling of 2871555338 in words is "two billion, eight hundred seventy-one million, five hundred fifty-five thousand, three hundred thirty-eight".