487481656 has 8 divisors (see below), whose sum is σ = 914028120. Its totient is φ = 243740824.

The previous prime is 487481639. The next prime is 487481671. The reversal of 487481656 is 656184784.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 30467596 + ... + 30467611.

It is an arithmetic number, because the mean of its divisors is an integer number (114253515).

Almost surely, 2^487481656 is an apocalyptic number.

It is an amenable number.

487481656 is a deficient number, since it is larger than the sum of its proper divisors (426546464).

487481656 is a wasteful number, since it uses less digits than its factorization.

487481656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60935213 (or 60935209 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 487481656 is about 22078.9867521134. The cubic root of 487481656 is about 787.0205865429.

The spelling of 487481656 in words is "four hundred eighty-seven million, four hundred eighty-one thousand, six hundred fifty-six".