485778 has 8 divisors (see below), whose sum is σ = 971568. Its totient is φ = 161924.

The previous prime is 485777. The next prime is 485819. The reversal of 485778 is 877584.

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

485778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (485777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40476 + ... + 40487.

It is an arithmetic number, because the mean of its divisors is an integer number (121446).

2⁴⁸⁵⁷⁷⁸ is an apocalyptic number.

485778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

485778 is a wasteful number, since it uses less digits than its factorization.

485778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80968.

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

The square root of 485778 is about 696.9777614817. The cubic root of 485778 is about 78.6102687152.

The spelling of 485778 in words is "four hundred eighty-five thousand, seven hundred seventy-eight".