427435859 has 2 divisors, whose sum is σ = 427435860. Its totient is φ = 427435858.

The previous prime is 427435847. The next prime is 427435861. The reversal of 427435859 is 958534724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427435859 is a prime.

Together with 427435861, 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 (427435829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213717929 + 213717930.

It is an arithmetic number, because the mean of its divisors is an integer number (213717930).

Almost surely, 2^427435859 is an apocalyptic number.

427435859 is a deficient number, since it is larger than the sum of its proper divisors (1).

427435859 is an equidigital number, since it uses as much as digits as its factorization.

427435859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 47.

The square root of 427435859 is about 20674.5219775452. The cubic root of 427435859 is about 753.2809500780.

The spelling of 427435859 in words is "four hundred twenty-seven million, four hundred thirty-five thousand, eight hundred fifty-nine".