478705797485 has 16 divisors (see below), whose sum is σ = 594330145200. Its totient is φ = 369712498176.

The previous prime is 478705797473. The next prime is 478705797491. The reversal of 478705797485 is 584797507874.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6422099044 + 472283698441 = 80138^2 + 687229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478705797485 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 973601 + ... + 1380329.

It is an arithmetic number, because the mean of its divisors is an integer number (37145634075).

Almost surely, 2^478705797485 is an apocalyptic number.

It is an amenable number.

478705797485 is a deficient number, since it is larger than the sum of its proper divisors (115624347715).

478705797485 is a wasteful number, since it uses less digits than its factorization.

478705797485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414880.

The product of its (nonzero) digits is 553190400, while the sum is 71.

The spelling of 478705797485 in words is "four hundred seventy-eight billion, seven hundred five million, seven hundred ninety-seven thousand, four hundred eighty-five".