487785 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 251520.

The previous prime is 487783. The next prime is 487789. The reversal of 487785 is 587784.

It is not a de Polignac number, because 487785 - 2¹ = 487783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60 + ... + 989.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁴⁸⁷⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

487785 is a deficient number, since it is larger than the sum of its proper divisors (318615).

487785 is a wasteful number, since it uses less digits than its factorization.

487785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088.

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

The square root of 487785 is about 698.4160651073. The cubic root of 487785 is about 78.7183798476.

Subtracting 487785 from its reverse (587784), we obtain a palindrome (99999).

It can be divided in two parts, 48 and 7785, that multiplied together give a triangular number (373680 = T₈₆₄).

The spelling of 487785 in words is "four hundred eighty-seven thousand, seven hundred eighty-five".