518747127866 has 48 divisors (see below), whose sum is σ = 901400179680. Its totient is φ = 223112181600.

The previous prime is 518747127863. The next prime is 518747127881. The reversal of 518747127866 is 668721747815.

It is a junction number, because it is equal to n+sod(n) for n = 518747127799 and 518747127808.

It is not an unprimeable number, because it can be changed into a prime (518747127863) 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 23 ways as a sum of consecutive naturals, for example, 3734336 + ... + 3870756.

It is an arithmetic number, because the mean of its divisors is an integer number (18779170410).

Almost surely, 2^518747127866 is an apocalyptic number.

518747127866 is a deficient number, since it is larger than the sum of its proper divisors (382653051814).

518747127866 is a wasteful number, since it uses less digits than its factorization.

518747127866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137291 (or 137280 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 62.

The spelling of 518747127866 in words is "five hundred eighteen billion, seven hundred forty-seven million, one hundred twenty-seven thousand, eight hundred sixty-six".