427959559 has 4 divisors (see below), whose sum is σ = 428430240. Its totient is φ = 427488880.

The previous prime is 427959533. The next prime is 427959563. The reversal of 427959559 is 955959724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427959559 - 2⁷ = 427959431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427959569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233974 + ... + 235795.

It is an arithmetic number, because the mean of its divisors is an integer number (107107560).

Almost surely, 2^427959559 is an apocalyptic number.

427959559 is a deficient number, since it is larger than the sum of its proper divisors (470681).

427959559 is an equidigital number, since it uses as much as digits as its factorization.

427959559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470680.

The product of its digits is 5103000, while the sum is 55.

The square root of 427959559 is about 20687.1834477292. The cubic root of 427959559 is about 753.5884677418.

The spelling of 427959559 in words is "four hundred twenty-seven million, nine hundred fifty-nine thousand, five hundred fifty-nine".