title: What variable type for extremely big integer numbers?
body: <p>I've tried using </p>
  
  <pre><code>long long int
  </code></pre>
  
  <p>But it wont work for numbers like 3141592653589793238462643383279502884197169399375, I need this up to 10 ^ 80. Any idea? Let me know. Thanks alot.</p>