478119638 has 8 divisors (see below), whose sum is σ = 727883832. Its totient is φ = 235491696.

The previous prime is 478119637. The next prime is 478119641. The reversal of 478119638 is 836911874.

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

It is a junction number, because it is equal to n+sod(n) for n = 478119592 and 478119601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478119637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783895 + ... + 1784162.

It is an arithmetic number, because the mean of its divisors is an integer number (90985479).

Almost surely, 2^478119638 is an apocalyptic number.

478119638 is a deficient number, since it is larger than the sum of its proper divisors (249764194).

478119638 is a wasteful number, since it uses less digits than its factorization.

478119638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568126.

The product of its digits is 290304, while the sum is 47.

The square root of 478119638 is about 21865.9469952710. The cubic root of 478119638 is about 781.9497779771.

The spelling of 478119638 in words is "four hundred seventy-eight million, one hundred nineteen thousand, six hundred thirty-eight".