478257963 has 8 divisors (see below), whose sum is σ = 638845248. Its totient is φ = 318254664.

The previous prime is 478257961. The next prime is 478257971. The reversal of 478257963 is 369752874.

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

It is not a de Polignac number, because 478257963 - 2¹ = 478257961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478257961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144081 + ... + 147362.

It is an arithmetic number, because the mean of its divisors is an integer number (79855656).

Almost surely, 2^478257963 is an apocalyptic number.

478257963 is a deficient number, since it is larger than the sum of its proper divisors (160587285).

478257963 is a wasteful number, since it uses less digits than its factorization.

478257963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291993.

The product of its digits is 2540160, while the sum is 51.

The square root of 478257963 is about 21869.1097898383. The cubic root of 478257963 is about 782.0251794493.

The spelling of 478257963 in words is "four hundred seventy-eight million, two hundred fifty-seven thousand, nine hundred sixty-three".