504247917864 has 32 divisors (see below), whose sum is σ = 1291366621440. Its totient is φ = 163983062400.

The previous prime is 504247917853. The next prime is 504247917869. The reversal of 504247917864 is 468719742405.

It is not an unprimeable number, because it can be changed into a prime (504247917869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256222552 + ... + 256224519.

It is an arithmetic number, because the mean of its divisors is an integer number (40355206920).

Almost surely, 2^504247917864 is an apocalyptic number.

It is an amenable number.

504247917864 is an abundant number, since it is smaller than the sum of its proper divisors (787118703576).

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

504247917864 is a wasteful number, since it uses less digits than its factorization.

504247917864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512447121 (or 512447117 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 504247917864 in words is "five hundred four billion, two hundred forty-seven million, nine hundred seventeen thousand, eight hundred sixty-four".