10727790197 has 2 divisors, whose sum is σ = 10727790198. Its totient is φ = 10727790196.

The previous prime is 10727790187. The next prime is 10727790217. The reversal of 10727790197 is 79109772701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10575859921 + 151930276 = 102839^2 + 12326^2 .

It is a cyclic number.

It is not a de Polignac number, because 10727790197 - 2⁴ = 10727790181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10727790187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5363895098 + 5363895099.

It is an arithmetic number, because the mean of its divisors is an integer number (5363895099).

Almost surely, 2^10727790197 is an apocalyptic number.

It is an amenable number.

10727790197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10727790197 is an equidigital number, since it uses as much as digits as its factorization.

10727790197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388962, while the sum is 50.

The spelling of 10727790197 in words is "ten billion, seven hundred twenty-seven million, seven hundred ninety thousand, one hundred ninety-seven".