500000000000008 has 8 divisors (see below), whose sum is σ = 937500000000030. Its totient is φ = 250000000000000.

The previous prime is 499999999999999. The next prime is 500000000000057. The reversal of 500000000000008 is 800000000000005.

It can be written as a sum of positive squares in only one way, i.e., 485710556700964 + 14289443299044 = 22038842^2 + 3780138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 500000000000008.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31249999999993 + ... + 31250000000008.

Almost surely, 2^{500000000000008} is an apocalyptic number.

It is an amenable number.

500000000000008 is a deficient number, since it is larger than the sum of its proper divisors (437500000000022).

500000000000008 is a wasteful number, since it uses less digits than its factorization.

500000000000008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62500000000007 (or 62500000000003 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

It can be divided in two parts, 50000000000000 and 8, that multiplied together give a square (400000000000000 = 20000000²).

The spelling of 500000000000008 in words is "five hundred trillion, eight", and thus it is an aban number.