487137666 has 16 divisors (see below), whose sum is σ = 977745888. Its totient is φ = 161800800.

The previous prime is 487137647. The next prime is 487137691. The reversal of 487137666 is 666731784.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142780 + ... + 146151.

It is an arithmetic number, because the mean of its divisors is an integer number (61109118).

Almost surely, 2^487137666 is an apocalyptic number.

487137666 is an abundant number, since it is smaller than the sum of its proper divisors (490608222).

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

487137666 is a wasteful number, since it uses less digits than its factorization.

487137666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289217.

The product of its digits is 1016064, while the sum is 48.

The square root of 487137666 is about 22071.1953912787. The cubic root of 487137666 is about 786.8354233936.

The spelling of 487137666 in words is "four hundred eighty-seven million, one hundred thirty-seven thousand, six hundred sixty-six".