Has a FIBA World Cup game ever ended 84-62?
Exactly once. On August 26, 2022, Angola beat Uganda 84-62, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 84-62 in league history.
That makes 84-62 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 85-62 has happened never and 84-63 has happened 1 times.