478789959 has 16 divisors (see below), whose sum is σ = 642146400. Its totient is φ = 317320320.

The previous prime is 478789957. The next prime is 478790003. The reversal of 478789959 is 959987874.

It is not a de Polignac number, because 478789959 - 2¹ = 478789957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478789959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478789957) 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 in 15 ways as a sum of consecutive naturals, for example, 582769 + ... + 583589.

It is an arithmetic number, because the mean of its divisors is an integer number (40134150).

Almost surely, 2^478789959 is an apocalyptic number.

478789959 is a deficient number, since it is larger than the sum of its proper divisors (163356441).

478789959 is a wasteful number, since it uses less digits than its factorization.

478789959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730.

The product of its digits is 45722880, while the sum is 66.

The square root of 478789959 is about 21881.2695929647. The cubic root of 478789959 is about 782.3150370398.

The spelling of 478789959 in words is "four hundred seventy-eight million, seven hundred eighty-nine thousand, nine hundred fifty-nine".