109965797 has 2 divisors, whose sum is σ = 109965798. Its totient is φ = 109965796.

The previous prime is 109965781. The next prime is 109965839. The reversal of 109965797 is 797569901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109704676 + 261121 = 10474^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 109965797 - 2⁴ = 109965781 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 (109965727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54982898 + 54982899.

It is an arithmetic number, because the mean of its divisors is an integer number (54982899).

Almost surely, 2^109965797 is an apocalyptic number.

It is an amenable number.

109965797 is a deficient number, since it is larger than the sum of its proper divisors (1).

109965797 is an equidigital number, since it uses as much as digits as its factorization.

109965797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The square root of 109965797 is about 10486.4577908844. The cubic root of 109965797 is about 479.0923196694.

The spelling of 109965797 in words is "one hundred nine million, nine hundred sixty-five thousand, seven hundred ninety-seven".