68675883197 has 2 divisors, whose sum is σ = 68675883198. Its totient is φ = 68675883196.

The previous prime is 68675883091. The next prime is 68675883223. The reversal of 68675883197 is 79138857686.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67361530681 + 1314352516 = 259541^2 + 36254^2 .

It is a cyclic number.

It is not a de Polignac number, because 68675883197 - 2³² = 64380915901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68675885197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34337941598 + 34337941599.

It is an arithmetic number, because the mean of its divisors is an integer number (34337941599).

Almost surely, 2^68675883197 is an apocalyptic number.

It is an amenable number.

68675883197 is a deficient number, since it is larger than the sum of its proper divisors (1).

68675883197 is an equidigital number, since it uses as much as digits as its factorization.

68675883197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 68.

The spelling of 68675883197 in words is "sixty-eight billion, six hundred seventy-five million, eight hundred eighty-three thousand, one hundred ninety-seven".