500868686 has 8 divisors (see below), whose sum is σ = 777210120. Its totient is φ = 241798648.

The previous prime is 500868679. The next prime is 500868689. The reversal of 500868686 is 686868005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 500868686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500868689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4317776 + ... + 4317891.

It is an arithmetic number, because the mean of its divisors is an integer number (97151265).

Almost surely, 2^500868686 is an apocalyptic number.

500868686 is a deficient number, since it is larger than the sum of its proper divisors (276341434).

500868686 is a wasteful number, since it uses less digits than its factorization.

500868686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8635698.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 500868686 is about 22380.0957549337. The cubic root of 500868686 is about 794.1599110692.

The spelling of 500868686 in words is "five hundred million, eight hundred sixty-eight thousand, six hundred eighty-six".