428740888027 has 2 divisors, whose sum is σ = 428740888028. Its totient is φ = 428740888026.

The previous prime is 428740888019. The next prime is 428740888109. The reversal of 428740888027 is 720888047824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428740888027 - 2³ = 428740888019 is a prime.

It is not a weakly prime, because it can be changed into another prime (428740888427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214370444013 + 214370444014.

It is an arithmetic number, because the mean of its divisors is an integer number (214370444014).

Almost surely, 2^428740888027 is an apocalyptic number.

428740888027 is a deficient number, since it is larger than the sum of its proper divisors (1).

428740888027 is an equidigital number, since it uses as much as digits as its factorization.

428740888027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12845056, while the sum is 58.

The spelling of 428740888027 in words is "four hundred twenty-eight billion, seven hundred forty million, eight hundred eighty-eight thousand, twenty-seven".