487557216 has 36 divisors (see below), whose sum is σ = 1386491652. Its totient is φ = 162518976.

The previous prime is 487557173. The next prime is 487557221. The reversal of 487557216 is 612755784.

487557216 is a `hidden beast` number, since 4 + 8 + 75 + 572 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846166 + ... + 846741.

It is an arithmetic number, because the mean of its divisors is an integer number (38513657).

Almost surely, 2^487557216 is an apocalyptic number.

It is an amenable number.

487557216 is an abundant number, since it is smaller than the sum of its proper divisors (898934436).

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

487557216 is a wasteful number, since it uses less digits than its factorization.

487557216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692923 (or 1692912 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 487557216 is about 22080.6978150601. The cubic root of 487557216 is about 787.0612473572.

The spelling of 487557216 in words is "four hundred eighty-seven million, five hundred fifty-seven thousand, two hundred sixteen".