68788822817 has 32 divisors (see below), whose sum is σ = 83649646080. Its totient is φ = 55702321920.

The previous prime is 68788822771. The next prime is 68788822829. The reversal of 68788822817 is 71822888786.

It is a cyclic number.

It is not a de Polignac number, because 68788822817 - 2¹⁶ = 68788757281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68788822877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9480563 + ... + 9487815.

It is an arithmetic number, because the mean of its divisors is an integer number (2614051440).

Almost surely, 2^68788822817 is an apocalyptic number.

It is an amenable number.

68788822817 is a deficient number, since it is larger than the sum of its proper divisors (14860823263).

68788822817 is a wasteful number, since it uses less digits than its factorization.

68788822817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593.

The product of its digits is 38535168, while the sum is 65.

The spelling of 68788822817 in words is "sixty-eight billion, seven hundred eighty-eight million, eight hundred twenty-two thousand, eight hundred seventeen".