478135263 has 16 divisors (see below), whose sum is σ = 649971296. Its totient is φ = 312560640.

The previous prime is 478135261. The next prime is 478135279. The reversal of 478135263 is 362531874.

It is not a de Polignac number, because 478135263 - 2¹ = 478135261 is a prime.

It is a super-2 number, since 2×478135263² = 457226659448158338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478135261) 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, 57795 + ... + 65547.

It is an arithmetic number, because the mean of its divisors is an integer number (40623206).

Almost surely, 2^478135263 is an apocalyptic number.

478135263 is a deficient number, since it is larger than the sum of its proper divisors (171836033).

478135263 is a wasteful number, since it uses less digits than its factorization.

478135263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154.

The product of its digits is 120960, while the sum is 39.

The square root of 478135263 is about 21866.3042830744. The cubic root of 478135263 is about 781.9582959512.

The spelling of 478135263 in words is "four hundred seventy-eight million, one hundred thirty-five thousand, two hundred sixty-three".