428674627 has 2 divisors, whose sum is σ = 428674628. Its totient is φ = 428674626.

The previous prime is 428674591. The next prime is 428674651. The reversal of 428674627 is 726476824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428674627 - 2¹¹ = 428672579 is a prime.

It is not a weakly prime, because it can be changed into another prime (428674327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214337313 + 214337314.

It is an arithmetic number, because the mean of its divisors is an integer number (214337314).

Almost surely, 2^428674627 is an apocalyptic number.

428674627 is a deficient number, since it is larger than the sum of its proper divisors (1).

428674627 is an equidigital number, since it uses as much as digits as its factorization.

428674627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 46.

The square root of 428674627 is about 20704.4591090905. The cubic root of 428674627 is about 754.0079521989.

The spelling of 428674627 in words is "four hundred twenty-eight million, six hundred seventy-four thousand, six hundred twenty-seven".