478775 has 12 divisors (see below), whose sum is σ = 648024. Its totient is φ = 348000.

The previous prime is 478769. The next prime is 478787. The reversal of 478775 is 577874.

It is not a de Polignac number, because 478775 - 2⁶ = 478711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478775.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (54002).

2⁴⁷⁸⁷⁷⁵ is an apocalyptic number.

478775 is a deficient number, since it is larger than the sum of its proper divisors (169249).

478775 is a wasteful number, since it uses less digits than its factorization.

478775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1757 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 478775 is about 691.9356906534. The cubic root of 478775 is about 78.2306889575.

Subtracting 478775 from its reverse (577874), we obtain a palindrome (99099).

The spelling of 478775 in words is "four hundred seventy-eight thousand, seven hundred seventy-five".