Genesis 5:31 in the World English Bible
All the days of Lamech were seven hundred seventy-seven years, then he died.
Context
30 And Lamech lived after he begat Noah five hundred ninety and five years, and begat sons and daughters:
31 And all the days of Lamech were seven hundred seventy and seven years: and he died.
32 And Noah was five hundred years old: and Noah begat Shem, Ham, and Japheth.