109170797 has 2 divisors, whose sum is σ = 109170798. Its totient is φ = 109170796.

The previous prime is 109170791. The next prime is 109170839. The reversal of 109170797 is 797071901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 10883401 = 9914^2 + 3299^2 .

It is a cyclic number.

It is not a de Polignac number, because 109170797 - 2⁴ = 109170781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109170791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54585398 + 54585399.

It is an arithmetic number, because the mean of its divisors is an integer number (54585399).

Almost surely, 2^109170797 is an apocalyptic number.

It is an amenable number.

109170797 is a deficient number, since it is larger than the sum of its proper divisors (1).

109170797 is an equidigital number, since it uses as much as digits as its factorization.

109170797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 41.

The square root of 109170797 is about 10448.4829999383. The cubic root of 109170797 is about 477.9349902543.

The spelling of 109170797 in words is "one hundred nine million, one hundred seventy thousand, seven hundred ninety-seven".