478132775 has 24 divisors (see below), whose sum is σ = 612294144. Its totient is φ = 370137600.

The previous prime is 478132757. The next prime is 478132789. The reversal of 478132775 is 577231874.

It is not a de Polignac number, because 478132775 - 2²⁰ = 477084199 is a prime.

It is a super-2 number, since 2×478132775² = 457221901058401250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128339 + ... + 132011.

It is an arithmetic number, because the mean of its divisors is an integer number (25512256).

Almost surely, 2^478132775 is an apocalyptic number.

478132775 is a deficient number, since it is larger than the sum of its proper divisors (134161369).

478132775 is a wasteful number, since it uses less digits than its factorization.

478132775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851 (or 3846 counting only the distinct ones).

The product of its digits is 329280, while the sum is 44.

The square root of 478132775 is about 21866.2473918137. The cubic root of 478132775 is about 781.9569396296.

Subtracting 478132775 from its reverse (577231874), we obtain a palindrome (99099099).

The spelling of 478132775 in words is "four hundred seventy-eight million, one hundred thirty-two thousand, seven hundred seventy-five".