68238603792 has 80 divisors (see below), whose sum is σ = 195919335360. Its totient is φ = 22740480000.

The previous prime is 68238603767. The next prime is 68238603809. The reversal of 68238603792 is 29730683286.

It is a happy number.

68238603792 is a `hidden beast` number, since 6 + 8 + 23 + 8 + 603 + 7 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1918167 + ... + 1953417.

It is an arithmetic number, because the mean of its divisors is an integer number (2448991692).

Almost surely, 2^68238603792 is an apocalyptic number.

It is an amenable number.

68238603792 is an abundant number, since it is smaller than the sum of its proper divisors (127680731568).

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

68238603792 is a wasteful number, since it uses less digits than its factorization.

68238603792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39749 (or 39737 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 68238603792 in words is "sixty-eight billion, two hundred thirty-eight million, six hundred three thousand, seven hundred ninety-two".