478305147 has 8 divisors (see below), whose sum is σ = 639579456. Its totient is φ = 317950472.

The previous prime is 478305143. The next prime is 478305173. The reversal of 478305147 is 741503874.

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 478305147 - 2² = 478305143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478305143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228693 + ... + 230774.

It is an arithmetic number, because the mean of its divisors is an integer number (79947432).

Almost surely, 2^478305147 is an apocalyptic number.

478305147 is a deficient number, since it is larger than the sum of its proper divisors (161274309).

478305147 is a wasteful number, since it uses less digits than its factorization.

478305147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459817.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 478305147 is about 21870.1885451406. The cubic root of 478305147 is about 782.0508962977.

The spelling of 478305147 in words is "four hundred seventy-eight million, three hundred five thousand, one hundred forty-seven".