487955664 has 120 divisors (see below), whose sum is σ = 1618576960. Its totient is φ = 139408128.

The previous prime is 487955651. The next prime is 487955681. The reversal of 487955664 is 466559784.

487955664 is a `hidden beast` number, since 4 + 8 + 79 + 5 + 566 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 487955664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18252 + ... + 36180.

Almost surely, 2^487955664 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 487955664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809288480).

487955664 is an abundant number, since it is smaller than the sum of its proper divisors (1130621296).

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

487955664 is a wasteful number, since it uses less digits than its factorization.

487955664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17959 (or 17941 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 487955664 is about 22089.7185133718. The cubic root of 487955664 is about 787.2755932017.

The spelling of 487955664 in words is "four hundred eighty-seven million, nine hundred fifty-five thousand, six hundred sixty-four".