500505687865580 has 96 divisors (see below), whose sum is σ = 1063436555160000. Its totient is φ = 197847629844480.

The previous prime is 500505687865541. The next prime is 500505687865619. The reversal of 500505687865580 is 85568786505005.

It is an interprime number because it is at equal distance from previous prime (500505687865541) and next prime (500505687865619).

It is a super-2 number, since 2×500505687865580² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500505687865580.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38355858896 + ... + 38355871944.

It is an arithmetic number, because the mean of its divisors is an integer number (11077464116250).

Almost surely, 2^{500505687865580} is an apocalyptic number.

It is an amenable number.

500505687865580 is an abundant number, since it is smaller than the sum of its proper divisors (562930867294420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500505687865580 is a wasteful number, since it uses less digits than its factorization.

500505687865580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22947 (or 22945 counting only the distinct ones).

The product of its (nonzero) digits is 403200000, while the sum is 68.

The spelling of 500505687865580 in words is "five hundred trillion, five hundred five billion, six hundred eighty-seven million, eight hundred sixty-five thousand, five hundred eighty".