Jeopardy - 1984 5-77 was released on:
USA: 20 December 1988
Santa Barbara - 1984 1-577 was released on: USA: 3 November 1986
The Bold and the Beautiful - 1987 1-577 was released on: USA: 1989
Sunset Beach - 1997 1-577 was released on: USA: 22 April 1999
Ryan's Hope - 1975 1-577 was released on: USA: 27 September 1977
Days of Our Lives - 1965 1-577 was released on: USA: 16 February 1968
Late Night with Jimmy Fallon - 2009 1-577 was released on: USA: 5 January 2012
1 x 577, 577 x 1
577 x -1 -577 x 1
1 and 577
1 and 577
It is: 577 = DLXXVII
638 + 577 = 1215