478537459 has 4 divisors (see below), whose sum is σ = 478764360. Its totient is φ = 478310560.

The previous prime is 478537457. The next prime is 478537481. The reversal of 478537459 is 954735874.

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 478537459 - 2¹ = 478537457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478537457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110257 + ... + 114514.

It is an arithmetic number, because the mean of its divisors is an integer number (119691090).

Almost surely, 2^478537459 is an apocalyptic number.

478537459 is a deficient number, since it is larger than the sum of its proper divisors (226901).

478537459 is a wasteful number, since it uses less digits than its factorization.

478537459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226900.

The product of its digits is 4233600, while the sum is 52.

The square root of 478537459 is about 21875.4990571644. The cubic root of 478537459 is about 782.1774894033.

The spelling of 478537459 in words is "four hundred seventy-eight million, five hundred thirty-seven thousand, four hundred fifty-nine".