487780 has 24 divisors (see below), whose sum is σ = 1060920. Its totient is φ = 188384.

The previous prime is 487769. The next prime is 487783. The reversal of 487780 is 87784.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 487204 = 24^2 + 698^2 .

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16806 + ... + 16834.

It is an arithmetic number, because the mean of its divisors is an integer number (44205).

2⁴⁸⁷⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530460).

487780 is an abundant number, since it is smaller than the sum of its proper divisors (573140).

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

487780 is an equidigital number, since it uses as much as digits as its factorization.

487780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 487780 is about 698.4124855700. The cubic root of 487780 is about 78.7181108813.

The spelling of 487780 in words is "four hundred eighty-seven thousand, seven hundred eighty".