<P> These are the Billboard Hot 100 number one hits of 1987 . The longest running number - one singles of 1987 are "Livin' on a Prayer" by Bon Jovi and "Faith" by George Michael which each logged four weeks at number one . "Faith" attained three weeks at number - one and one week at the top in 1988, equaling four weeks at the top . </P> <Table> Key <Tr> <Td> </Td> <Td> Indicates best - performing single of 1987 </Td> </Tr> </Table>

What was the number one song in 1987
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