Number 678 is a three-digit integer that follows 677 and precedes 679. It is an even number, meaning it is divisible by 2. In the context of mathematics, 678 can be factored into its prime components, which are 2, 3, and 113. In terms of its representation in different numeral systems, 678 is written as 1010100110 in binary and 2A6 in hexadecimal. The number can also be found in various applications, such as in mathematics, statistics, and computer science, where it may represent data points or identifiers.