487881808 has 20 divisors (see below), whose sum is σ = 965384640. Its totient is φ = 238750304.

The previous prime is 487881769. The next prime is 487881817. The reversal of 487881808 is 808188784.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 323638 + ... + 325141.

It is an arithmetic number, because the mean of its divisors is an integer number (48269232).

Almost surely, 2^487881808 is an apocalyptic number.

It is an amenable number.

487881808 is a deficient number, since it is larger than the sum of its proper divisors (477502832).

487881808 is a wasteful number, since it uses less digits than its factorization.

487881808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648834 (or 648828 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 52.

The square root of 487881808 is about 22088.0467221527. The cubic root of 487881808 is about 787.2358710410.

The spelling of 487881808 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, eight hundred eight".