68523572797 has 2 divisors, whose sum is σ = 68523572798. Its totient is φ = 68523572796.

The previous prime is 68523572743. The next prime is 68523572807. The reversal of 68523572797 is 79727532586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52212707001 + 16310865796 = 228501^2 + 127714^2 .

It is a cyclic number.

It is not a de Polignac number, because 68523572797 - 2¹¹ = 68523570749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68523572707) by changing a digit.

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 as a sum of consecutive naturals, namely, 34261786398 + 34261786399.

It is an arithmetic number, because the mean of its divisors is an integer number (34261786399).

Almost surely, 2^68523572797 is an apocalyptic number.

It is an amenable number.

68523572797 is a deficient number, since it is larger than the sum of its proper divisors (1).

68523572797 is an equidigital number, since it uses as much as digits as its factorization.

68523572797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44452800, while the sum is 61.

The spelling of 68523572797 in words is "sixty-eight billion, five hundred twenty-three million, five hundred seventy-two thousand, seven hundred ninety-seven".