487887218 has 48 divisors (see below), whose sum is σ = 925185240. Its totient is φ = 191245824.

The previous prime is 487887203. The next prime is 487887289. The reversal of 487887218 is 812788784.

It can be written as a sum of positive squares in 4 ways, for example, as 328950769 + 158936449 = 18137^2 + 12607^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 487887218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142268 + ... + 145656.

Almost surely, 2^487887218 is an apocalyptic number.

487887218 is a deficient number, since it is larger than the sum of its proper divisors (437298022).

487887218 is a wasteful number, since it uses less digits than its factorization.

487887218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3524 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 53.

The square root of 487887218 is about 22088.1691862409. The cubic root of 487887218 is about 787.2387808511.

The spelling of 487887218 in words is "four hundred eighty-seven million, eight hundred eighty-seven thousand, two hundred eighteen".