518209780076 has 12 divisors (see below), whose sum is σ = 907530524208. Its totient is φ = 258915344592.

The previous prime is 518209780073. The next prime is 518209780093. The reversal of 518209780076 is 670087902815.

It is not an unprimeable number, because it can be changed into a prime (518209780073) 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, 47380211 + ... + 47391146.

It is an arithmetic number, because the mean of its divisors is an integer number (75627543684).

Almost surely, 2^518209780076 is an apocalyptic number.

It is an amenable number.

518209780076 is a deficient number, since it is larger than the sum of its proper divisors (389320744132).

518209780076 is a wasteful number, since it uses less digits than its factorization.

518209780076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94772728 (or 94772726 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 518209780076 in words is "five hundred eighteen billion, two hundred nine million, seven hundred eighty thousand, seventy-six".