426327427 has 2 divisors, whose sum is σ = 426327428. Its totient is φ = 426327426.

The previous prime is 426327397. The next prime is 426327439. The reversal of 426327427 is 724723624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426327427 is a prime.

It is not a weakly prime, because it can be changed into another prime (426327457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213163713 + 213163714.

It is an arithmetic number, because the mean of its divisors is an integer number (213163714).

Almost surely, 2^426327427 is an apocalyptic number.

426327427 is a deficient number, since it is larger than the sum of its proper divisors (1).

426327427 is an equidigital number, since it uses as much as digits as its factorization.

426327427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 37.

The square root of 426327427 is about 20647.6978619894. The cubic root of 426327427 is about 752.6292472337.

The spelling of 426327427 in words is "four hundred twenty-six million, three hundred twenty-seven thousand, four hundred twenty-seven".