478351447 has 32 divisors (see below), whose sum is σ = 591390720. Its totient is φ = 378069120.

The previous prime is 478351417. The next prime is 478351451. The reversal of 478351447 is 744153874.

It is a cyclic number.

It is not a de Polignac number, because 478351447 - 2¹⁹ = 477827159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478351417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520054 + ... + 520972.

It is an arithmetic number, because the mean of its divisors is an integer number (18480960).

Almost surely, 2^478351447 is an apocalyptic number.

478351447 is a deficient number, since it is larger than the sum of its proper divisors (113039273).

478351447 is a wasteful number, since it uses less digits than its factorization.

478351447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

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

The square root of 478351447 is about 21871.2470380635. The cubic root of 478351447 is about 782.0761296928.

The spelling of 478351447 in words is "four hundred seventy-eight million, three hundred fifty-one thousand, four hundred forty-seven".