487198665 has 64 divisors (see below), whose sum is σ = 965433600. Its totient is φ = 231662592.

The previous prime is 487198661. The next prime is 487198681. The reversal of 487198665 is 566891784.

It is not a de Polignac number, because 487198665 - 2² = 487198661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487198661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38019 + ... + 49191.

It is an arithmetic number, because the mean of its divisors is an integer number (15084900).

Almost surely, 2^487198665 is an apocalyptic number.

487198665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487198665 is a deficient number, since it is larger than the sum of its proper divisors (478234935).

487198665 is a wasteful number, since it uses less digits than its factorization.

487198665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223 (or 11217 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 487198665 is about 22072.5772169903. The cubic root of 487198665 is about 786.8682643297.

The spelling of 487198665 in words is "four hundred eighty-seven million, one hundred ninety-eight thousand, six hundred sixty-five".