478247165884 has 12 divisors (see below), whose sum is σ = 836944705408. Its totient is φ = 239120107200.

The previous prime is 478247165839. The next prime is 478247165887. The reversal of 478247165884 is 488561742874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478247165887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546012 + ... + 1120099.

Almost surely, 2^478247165884 is an apocalyptic number.

It is an amenable number.

478247165884 is a deficient number, since it is larger than the sum of its proper divisors (358697539524).

478247165884 is a wasteful number, since it uses less digits than its factorization.

478247165884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737876 (or 1737874 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 64.

The spelling of 478247165884 in words is "four hundred seventy-eight billion, two hundred forty-seven million, one hundred sixty-five thousand, eight hundred eighty-four".