487658888 has 32 divisors (see below), whose sum is σ = 934653720. Its totient is φ = 238464000.

The previous prime is 487658881. The next prime is 487658909. The reversal of 487658888 is 888856784.

It is a happy number.

It is a Cunningham number, because it is equal to 22083²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 82119844 + 405539044 = 9062^2 + 20138^2 .

It is a super-2 number, since 2×487658888² = 475622382090793088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 487658888.

It is not an unprimeable number, because it can be changed into a prime (487658881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85568 + ... + 91088.

Almost surely, 2^487658888 is an apocalyptic number.

It is an amenable number.

487658888 is a deficient number, since it is larger than the sum of its proper divisors (446994832).

487658888 is a wasteful number, since it uses less digits than its factorization.

487658888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769 (or 5765 counting only the distinct ones).

The product of its digits is 27525120, while the sum is 62.

The square root of 487658888 is about 22082.9999773581. Note that the first 4 decimals coincide. The cubic root of 487658888 is about 787.1159530934.

The spelling of 487658888 in words is "four hundred eighty-seven million, six hundred fifty-eight thousand, eight hundred eighty-eight".