487749556 has 12 divisors (see below), whose sum is σ = 975499168. Its totient is φ = 209035512.

The previous prime is 487749547. The next prime is 487749593. The reversal of 487749556 is 655947784.

487749556 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 487749497 and 487749506.

It is a congruent number.

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, 8709786 + ... + 8709841.

Almost surely, 2^487749556 is an apocalyptic number.

It is an amenable number.

487749556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487749556 is a wasteful number, since it uses less digits than its factorization.

487749556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17419638 (or 17419636 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 55.

The square root of 487749556 is about 22085.0527733125. The cubic root of 487749556 is about 787.1647315931.

The spelling of 487749556 in words is "four hundred eighty-seven million, seven hundred forty-nine thousand, five hundred fifty-six".