---
title: math.INTEGER_BIT
summary: null
url: >-
  https://www.fastly.com/documentation/reference/vcl/variables/math-constants-limits/math-integer-bit
---

**Type:** INTEGER  
**Access:** read-only, constant

**Available in:** all subroutines

Number of bits in the [`INTEGER`](https://www.fastly.com/documentation/reference/vcl/types/integer/) type.