478776 has 16 divisors (see below), whose sum is σ = 1197000. Its totient is φ = 159584.

The previous prime is 478769. The next prime is 478787. The reversal of 478776 is 677874.

It is a happy number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9951 + ... + 9998.

2⁴⁷⁸⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

478776 is an abundant number, since it is smaller than the sum of its proper divisors (718224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478776 is a wasteful number, since it uses less digits than its factorization.

478776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19958 (or 19954 counting only the distinct ones).

The product of its digits is 65856, while the sum is 39.

The square root of 478776 is about 691.9364132635. The cubic root of 478776 is about 78.2307434234.

The spelling of 478776 in words is "four hundred seventy-eight thousand, seven hundred seventy-six".