7799999domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes that contain digits 7 and 9 only.at n=27A020471Primes whose sum of digits is 59.at n=2A106786Primes q such that q^p ends with q, where p is the product of the digits of q.at n=10A171268Prime numbersat n=527154