The number "478" is a three-digit integer that follows 477 and precedes 479. It is an even number, meaning it is divisible by 2. In mathematics, 478 can be factored into its prime components, which are 2 and 239, making it a composite number. In the context of the United States, 478 is also known as a tax identification number for certain types of businesses. Additionally, it can refer to various codes, such as area codes or product numbers, depending on the specific field or industry.