Found with PFGW Version 3.8.0

474^27863+27863^474 is 2-PRP! (105.4558s+0.0116s)
474^27863+27863^474 is 3-PRP! (105.0249s+0.0059s)
474^27863+27863^474 is 5-PRP! (105.0868s+0.0050s)
474^27863+27863^474 is 7-PRP! (105.3862s+0.0058s)
474^27863+27863^474 is 11-PRP! (104.6087s+0.0061s)

Primality testing 474^27863+27863^474 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N-1 test using base 19
Running N+1 test using discriminant 29, base 3+sqrt(29)
Calling N-1 BLS with factored part 0.01% and helper 0.01% (0.05% proof)
474^27863+27863^474 is Fermat and Lucas PRP! (747.4313s+0.0055s)

To be completed...