Has a FIBA World Cup game ever ended 87-67?
Exactly once. On September 6, 2019, Argentina beat Venezuela 87-67, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 87-67 in league history.
That makes 87-67 the 240th most common final score out of 863 that have ever occurred in FIBA World Cup. One point away, 88-67 has happened 2 times and 87-68 has happened 3 times.