505857868 has 6 divisors (see below), whose sum is σ = 885251276. Its totient is φ = 252928932.

The previous prime is 505857857. The next prime is 505857901. The reversal of 505857868 is 868758505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63232230 + ... + 63232237.

Almost surely, 2^505857868 is an apocalyptic number.

It is an amenable number.

505857868 is a deficient number, since it is larger than the sum of its proper divisors (379393408).

505857868 is a wasteful number, since it uses less digits than its factorization.

505857868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126464471 (or 126464469 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 52.

The square root of 505857868 is about 22491.2842674668. The cubic root of 505857868 is about 796.7880947554.

It can be divided in two parts, 5058 and 57868, that added together give a palindrome (62926).

The spelling of 505857868 in words is "five hundred five million, eight hundred fifty-seven thousand, eight hundred sixty-eight".