487443688 has 16 divisors (see below), whose sum is σ = 916074180. Its totient is φ = 243157248.

The previous prime is 487443637. The next prime is 487443707. The reversal of 487443688 is 886344784.

It can be written as a sum of positive squares in 2 ways, for example, as 483208324 + 4235364 = 21982^2 + 2058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66895 + ... + 73822.

Almost surely, 2^487443688 is an apocalyptic number.

It is an amenable number.

487443688 is a deficient number, since it is larger than the sum of its proper divisors (428630492).

487443688 is a wasteful number, since it uses less digits than its factorization.

487443688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141156 (or 141152 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 52.

The square root of 487443688 is about 22078.1269133049. The cubic root of 487443688 is about 787.0001533819. Note that the first 3 decimals are identical.

The spelling of 487443688 in words is "four hundred eighty-seven million, four hundred forty-three thousand, six hundred eighty-eight".