2871881235 has 24 divisors (see below), whose sum is σ = 4984143840. Its totient is φ = 1529757312.

The previous prime is 2871881197. The next prime is 2871881237. The reversal of 2871881235 is 5321881782.

It is not a de Polignac number, because 2871881235 - 2¹⁴ = 2871864851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2871881237) 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 23 ways as a sum of consecutive naturals, for example, 3039 + ... + 75848.

It is an arithmetic number, because the mean of its divisors is an integer number (207672660).

Almost surely, 2^2871881235 is an apocalyptic number.

2871881235 is a deficient number, since it is larger than the sum of its proper divisors (2112262605).

2871881235 is a wasteful number, since it uses less digits than its factorization.

2871881235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79707 (or 79704 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 2871881235 is about 53589.9359488328. The cubic root of 2871881235 is about 1421.4191385137.

The spelling of 2871881235 in words is "two billion, eight hundred seventy-one million, eight hundred eighty-one thousand, two hundred thirty-five".