68775005812 has 96 divisors (see below), whose sum is σ = 135439073280. Its totient is φ = 30401775360.

The previous prime is 68775005797. The next prime is 68775005821. The reversal of 68775005812 is 21850057786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30150112 + ... + 30152392.

It is an arithmetic number, because the mean of its divisors is an integer number (1410823680).

Almost surely, 2^68775005812 is an apocalyptic number.

It is an amenable number.

68775005812 is a deficient number, since it is larger than the sum of its proper divisors (66664067468).

68775005812 is a wasteful number, since it uses less digits than its factorization.

68775005812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 49.

The spelling of 68775005812 in words is "sixty-eight billion, seven hundred seventy-five million, five thousand, eight hundred twelve".