478677 has 8 divisors (see below), whose sum is σ = 641440. Its totient is φ = 317520.

The previous prime is 478651. The next prime is 478679. The reversal of 478677 is 776874.

It is a happy number.

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

It is not a de Polignac number, because 478677 - 2⁸ = 478421 is a prime.

It is a Duffinian number.

478677 is a lucky number.

It is a nialpdrome in base 14.

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 478677.

It is not an unprimeable number, because it can be changed into a prime (478679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (80180).

2⁴⁷⁸⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

478677 is a deficient number, since it is larger than the sum of its proper divisors (162763).

478677 is a wasteful number, since it uses less digits than its factorization.

478677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803.

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

The square root of 478677 is about 691.8648711996. The cubic root of 478677 is about 78.2253509382.

It can be divided in two parts, 47867 and 7, that added together give a palindrome (47874).

The spelling of 478677 in words is "four hundred seventy-eight thousand, six hundred seventy-seven".