478163289 has 8 divisors (see below), whose sum is σ = 651116160. Its totient is φ = 311992976.

The previous prime is 478163239. The next prime is 478163327. The reversal of 478163289 is 982361874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478163289 - 2¹² = 478159193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478163239) 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 7 ways as a sum of consecutive naturals, for example, 1695474 + ... + 1695755.

It is an arithmetic number, because the mean of its divisors is an integer number (81389520).

Almost surely, 2^478163289 is an apocalyptic number.

It is an amenable number.

478163289 is a deficient number, since it is larger than the sum of its proper divisors (172952871).

478163289 is a wasteful number, since it uses less digits than its factorization.

478163289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391279.

The product of its digits is 580608, while the sum is 48.

The square root of 478163289 is about 21866.9451227189. The cubic root of 478163289 is about 781.9735738699.

The spelling of 478163289 in words is "four hundred seventy-eight million, one hundred sixty-three thousand, two hundred eighty-nine".