478710189 has 16 divisors (see below), whose sum is σ = 715832640. Its totient is φ = 316155600.

The previous prime is 478710179. The next prime is 478710223. The reversal of 478710189 is 981017874.

It is not a de Polignac number, because 478710189 - 2⁴ = 478710173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478710119) 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, 79962 + ... + 85739.

It is an arithmetic number, because the mean of its divisors is an integer number (44739540).

Almost surely, 2^478710189 is an apocalyptic number.

It is an amenable number.

478710189 is a deficient number, since it is larger than the sum of its proper divisors (237122451).

478710189 is a wasteful number, since it uses less digits than its factorization.

478710189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165817 (or 165811 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 478710189 is about 21879.4467251802. The cubic root of 478710189 is about 782.2715881082.

The spelling of 478710189 in words is "four hundred seventy-eight million, seven hundred ten thousand, one hundred eighty-nine".