578685505586876 has 24 divisors (see below), whose sum is σ = 1051696655518320. Its totient is φ = 278278391508992.

The previous prime is 578685505586873. The next prime is 578685505586891. The reversal of 578685505586876 is 678685505586875.

It is a junction number, because it is equal to n+sod(n) for n = 578685505586791 and 578685505586800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578685505586873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9705550250 + ... + 9705609873.

It is an arithmetic number, because the mean of its divisors is an integer number (43820693979930).

Almost surely, 2^{578685505586876} is an apocalyptic number.

It is an amenable number.

578685505586876 is a deficient number, since it is larger than the sum of its proper divisors (473011149931444).

578685505586876 is a wasteful number, since it uses less digits than its factorization.

578685505586876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19411160413 (or 19411160411 counting only the distinct ones).

The product of its (nonzero) digits is 135475200000, while the sum is 89.

Subtracting 578685505586876 from its reverse (678685505586875), we obtain a palindrome (99999999999999).

The spelling of 578685505586876 in words is "five hundred seventy-eight trillion, six hundred eighty-five billion, five hundred five million, five hundred eighty-six thousand, eight hundred seventy-six".