501000997868 has 24 divisors (see below), whose sum is σ = 1054738944000. Its totient is φ = 203413938768.

The previous prime is 501000997843. The next prime is 501000997873. The reversal of 501000997868 is 868799000105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470865068 + ... + 470866131.

It is an arithmetic number, because the mean of its divisors is an integer number (43947456000).

Almost surely, 2^501000997868 is an apocalyptic number.

It is an amenable number.

501000997868 is an abundant number, since it is smaller than the sum of its proper divisors (553737946132).

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

501000997868 is a wasteful number, since it uses less digits than its factorization.

501000997868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941731229 (or 941731227 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 501000997868 in words is "five hundred one billion, nine hundred ninety-seven thousand, eight hundred sixty-eight".