427426859 has 2 divisors, whose sum is σ = 427426860. Its totient is φ = 427426858.

The previous prime is 427426829. The next prime is 427426877. The reversal of 427426859 is 958624724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427426859 - 2¹² = 427422763 is a prime.

It is a super-3 number, since 3×427426859³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (427426829) 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, 213713429 + 213713430.

It is an arithmetic number, because the mean of its divisors is an integer number (213713430).

Almost surely, 2^427426859 is an apocalyptic number.

427426859 is a deficient number, since it is larger than the sum of its proper divisors (1).

427426859 is an equidigital number, since it uses as much as digits as its factorization.

427426859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 47.

The square root of 427426859 is about 20674.3043171953. The cubic root of 427426859 is about 753.2756630655.

The spelling of 427426859 in words is "four hundred twenty-seven million, four hundred twenty-six thousand, eight hundred fifty-nine".