478039317 has 16 divisors (see below), whose sum is σ = 728758272. Its totient is φ = 273046320.

The previous prime is 478039301. The next prime is 478039319. The reversal of 478039317 is 713930874.

It is not a de Polignac number, because 478039317 - 2⁴ = 478039301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478039319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72592 + ... + 78902.

It is an arithmetic number, because the mean of its divisors is an integer number (45547392).

Almost surely, 2^478039317 is an apocalyptic number.

It is an amenable number.

478039317 is a deficient number, since it is larger than the sum of its proper divisors (250718955).

478039317 is a wasteful number, since it uses less digits than its factorization.

478039317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 478039317 is about 21864.1102494476. The cubic root of 478039317 is about 781.9059880268.

The spelling of 478039317 in words is "four hundred seventy-eight million, thirty-nine thousand, three hundred seventeen".