68722589695 has 16 divisors (see below), whose sum is σ = 87030684000. Its totient is φ = 51950567808.

The previous prime is 68722589669. The next prime is 68722589713. The reversal of 68722589695 is 59698522786.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68722589695 - 2¹⁹ = 68722065407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68722589695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892860 + ... + 966769.

It is an arithmetic number, because the mean of its divisors is an integer number (5439417750).

Almost surely, 2^68722589695 is an apocalyptic number.

68722589695 is a deficient number, since it is larger than the sum of its proper divisors (18308094305).

68722589695 is a wasteful number, since it uses less digits than its factorization.

68722589695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860042.

The product of its digits is 130636800, while the sum is 67.

The spelling of 68722589695 in words is "sixty-eight billion, seven hundred twenty-two million, five hundred eighty-nine thousand, six hundred ninety-five".