108818202697 has 2 divisors, whose sum is σ = 108818202698. Its totient is φ = 108818202696.

The previous prime is 108818202683. The next prime is 108818202709. The reversal of 108818202697 is 796202818801.

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., 76598311696 + 32219891001 = 276764^2 + 179499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108818202697 is a prime.

It is not a weakly prime, because it can be changed into another prime (108818242697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54409101348 + 54409101349.

It is an arithmetic number, because the mean of its divisors is an integer number (54409101349).

Almost surely, 2^108818202697 is an apocalyptic number.

It is an amenable number.

108818202697 is a deficient number, since it is larger than the sum of its proper divisors (1).

108818202697 is an equidigital number, since it uses as much as digits as its factorization.

108818202697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 108818202697 in words is "one hundred eight billion, eight hundred eighteen million, two hundred two thousand, six hundred ninety-seven".