775878563
This number is a prime.
775878563 is the start of a run of 4 consecutive emirps such that the sum is equal to the sum of their reversals: 775878563 + 775878569 + 775878577 + 775878599 = 365878577 + 965878577 + 775878577 + 995878577. Found by Giovanni
Resta, 2004. [Rivera]
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