478454317 has 8 divisors (see below), whose sum is σ = 526570560. Its totient is φ = 431108160.

The previous prime is 478454287. The next prime is 478454321. The reversal of 478454317 is 713454874.

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 478454317 - 2¹¹ = 478452269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478454377) 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, 191217 + ... + 193702.

It is an arithmetic number, because the mean of its divisors is an integer number (65821320).

Almost surely, 2^478454317 is an apocalyptic number.

It is an amenable number.

478454317 is a deficient number, since it is larger than the sum of its proper divisors (48116243).

478454317 is a wasteful number, since it uses less digits than its factorization.

478454317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385043.

The product of its digits is 376320, while the sum is 43.

The square root of 478454317 is about 21873.5986293980. The cubic root of 478454317 is about 782.1321877825.

The spelling of 478454317 in words is "four hundred seventy-eight million, four hundred fifty-four thousand, three hundred seventeen".