487081564 has 24 divisors (see below), whose sum is σ = 885351600. Its totient is φ = 234192000.

The previous prime is 487081561. The next prime is 487081571. The reversal of 487081564 is 465180784.

It is a self number, because there is not a number n which added to its sum of digits gives 487081564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487081561) 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, 20752 + ... + 37480.

It is an arithmetic number, because the mean of its divisors is an integer number (36889650).

Almost surely, 2^487081564 is an apocalyptic number.

It is an amenable number.

487081564 is a deficient number, since it is larger than the sum of its proper divisors (398270036).

487081564 is a wasteful number, since it uses less digits than its factorization.

487081564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17013 (or 17011 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 487081564 is about 22069.9244221633. The cubic root of 487081564 is about 786.8052165078.

The spelling of 487081564 in words is "four hundred eighty-seven million, eighty-one thousand, five hundred sixty-four".