117447026197 has 2 divisors, whose sum is σ = 117447026198. Its totient is φ = 117447026196.

The previous prime is 117447026173. The next prime is 117447026233. The reversal of 117447026197 is 791620744711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96667515396 + 20779510801 = 310914^2 + 144151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117447026197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117447026197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117447026117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58723513098 + 58723513099.

It is an arithmetic number, because the mean of its divisors is an integer number (58723513099).

Almost surely, 2^117447026197 is an apocalyptic number.

It is an amenable number.

117447026197 is a deficient number, since it is larger than the sum of its proper divisors (1).

117447026197 is an equidigital number, since it uses as much as digits as its factorization.

117447026197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 117447026197 in words is "one hundred seventeen billion, four hundred forty-seven million, twenty-six thousand, one hundred ninety-seven".