Has a FIBA World Cup game ever ended 82-62?
Exactly once. On February 23, 2018, Panama beat Paraguay 82-62, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 82-62 in league history.
That makes 82-62 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 83-62 has happened never and 82-63 has happened 2 times.