487145664 has 70 divisors (see below), whose sum is σ = 1444067724. Its totient is φ = 162380160.

The previous prime is 487145657. The next prime is 487145669. The reversal of 487145664 is 466541784.

487145664 is a `hidden beast` number, since 4 + 87 + 1 + 4 + 566 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (487145669) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41802 + ... + 52169.

Almost surely, 2^487145664 is an apocalyptic number.

It is an amenable number.

487145664 is an abundant number, since it is smaller than the sum of its proper divisors (956922060).

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

487145664 is an equidigital number, since it uses as much as digits as its factorization.

487145664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93995 (or 93976 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 487145664 is about 22071.3765769152. The cubic root of 487145664 is about 786.8397295516.

The spelling of 487145664 in words is "four hundred eighty-seven million, one hundred forty-five thousand, six hundred sixty-four".