478339913 has 8 divisors (see below), whose sum is σ = 481250016. Its totient is φ = 475437600.

The previous prime is 478339879. The next prime is 478339919. The reversal of 478339913 is 319933874.

It is a happy number.

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 478339913 - 2²⁴ = 461562697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478339919) 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 7 ways as a sum of consecutive naturals, for example, 159518 + ... + 162488.

It is an arithmetic number, because the mean of its divisors is an integer number (60156252).

Almost surely, 2^478339913 is an apocalyptic number.

It is an amenable number.

478339913 is a deficient number, since it is larger than the sum of its proper divisors (2910103).

478339913 is a wasteful number, since it uses less digits than its factorization.

478339913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its digits is 489888, while the sum is 47.

The square root of 478339913 is about 21870.9833569504. The cubic root of 478339913 is about 782.0698438412.

The spelling of 478339913 in words is "four hundred seventy-eight million, three hundred thirty-nine thousand, nine hundred thirteen".