427647107 has 2 divisors, whose sum is σ = 427647108. Its totient is φ = 427647106.

The previous prime is 427647013. The next prime is 427647109. The reversal of 427647107 is 701746724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427647107 - 2¹⁸ = 427384963 is a prime.

Together with 427647109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (427647109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213823553 + 213823554.

It is an arithmetic number, because the mean of its divisors is an integer number (213823554).

Almost surely, 2^427647107 is an apocalyptic number.

427647107 is a deficient number, since it is larger than the sum of its proper divisors (1).

427647107 is an equidigital number, since it uses as much as digits as its factorization.

427647107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 427647107 is about 20679.6302433095. The cubic root of 427647107 is about 753.4050255254.

The spelling of 427647107 in words is "four hundred twenty-seven million, six hundred forty-seven thousand, one hundred seven".