477885 has 8 divisors (see below), whose sum is σ = 764640. Its totient is φ = 254864.

The previous prime is 477881. The next prime is 477899. The reversal of 477885 is 588774.

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

It is a cyclic number.

It is not a de Polignac number, because 477885 - 2² = 477881 is a prime.

477885 is a lucky 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 477885.

It is not an unprimeable number, because it can be changed into a prime (477881) 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, 15915 + ... + 15944.

It is an arithmetic number, because the mean of its divisors is an integer number (95580).

2⁴⁷⁷⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

477885 is a deficient number, since it is larger than the sum of its proper divisors (286755).

477885 is a wasteful number, since it uses less digits than its factorization.

477885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31867.

The product of its digits is 62720, while the sum is 39.

The square root of 477885 is about 691.2922681471. The cubic root of 477885 is about 78.1821842666.

Subtracting 477885 from its reverse (588774), we obtain a square (110889 = 333²).

The spelling of 477885 in words is "four hundred seventy-seven thousand, eight hundred eighty-five".