504876866 has 8 divisors (see below), whose sum is σ = 815570364. Its totient is φ = 233020080.

The previous prime is 504876859. The next prime is 504876871. The reversal of 504876866 is 668678405.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 502701241 + 2175625 = 22421^2 + 1475^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9709145 + ... + 9709196.

Almost surely, 2^504876866 is an apocalyptic number.

504876866 is a deficient number, since it is larger than the sum of its proper divisors (310693498).

504876866 is a wasteful number, since it uses less digits than its factorization.

504876866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19418356.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 504876866 is about 22469.4651916773. The cubic root of 504876866 is about 796.2726953452.

The spelling of 504876866 in words is "five hundred four million, eight hundred seventy-six thousand, eight hundred sixty-six".