487664338473 has 24 divisors (see below), whose sum is σ = 760349116800. Its totient is φ = 299404810080.

The previous prime is 487664338463. The next prime is 487664338477. The reversal of 487664338473 is 374833466784.

487664338473 is a `hidden beast` number, since 4 + 8 + 76 + 64 + 3 + 38 + 473 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-487664338473 is a prime.

It is a super-3 number, since 3×487664338473³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 487664338473.

It is not an unprimeable number, because it can be changed into a prime (487664338477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4784923 + ... + 4885776.

It is an arithmetic number, because the mean of its divisors is an integer number (31681213200).

Almost surely, 2^487664338473 is an apocalyptic number.

It is an amenable number.

487664338473 is a deficient number, since it is larger than the sum of its proper divisors (272684778327).

487664338473 is a wasteful number, since it uses less digits than its factorization.

487664338473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671149 (or 9671146 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 63.

The spelling of 487664338473 in words is "four hundred eighty-seven billion, six hundred sixty-four million, three hundred thirty-eight thousand, four hundred seventy-three".