478082109 has 8 divisors (see below), whose sum is σ = 674939520. Its totient is φ = 299973056.

The previous prime is 478082083. The next prime is 478082141. The reversal of 478082109 is 901280874.

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 478082109 - 2²³ = 469693501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478082149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4687029 + ... + 4687130.

It is an arithmetic number, because the mean of its divisors is an integer number (84367440).

Almost surely, 2^478082109 is an apocalyptic number.

It is an amenable number.

478082109 is a deficient number, since it is larger than the sum of its proper divisors (196857411).

478082109 is a wasteful number, since it uses less digits than its factorization.

478082109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374179.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 478082109 is about 21865.0888175649. The cubic root of 478082109 is about 781.9293182715.

The spelling of 478082109 in words is "four hundred seventy-eight million, eighty-two thousand, one hundred nine".