107196809 has 2 divisors, whose sum is σ = 107196810. Its totient is φ = 107196808.

The previous prime is 107196779. The next prime is 107196811. The reversal of 107196809 is 908691701.

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., 66912400 + 40284409 = 8180^2 + 6347^2 .

It is a cyclic number.

It is not a de Polignac number, because 107196809 - 2¹² = 107192713 is a prime.

It is a super-2 number, since 2×107196809² = 22982311719564962, which contains 22 as substring.

Together with 107196811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107796809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53598404 + 53598405.

It is an arithmetic number, because the mean of its divisors is an integer number (53598405).

Almost surely, 2^107196809 is an apocalyptic number.

It is an amenable number.

107196809 is a deficient number, since it is larger than the sum of its proper divisors (1).

107196809 is an equidigital number, since it uses as much as digits as its factorization.

107196809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 107196809 is about 10353.5891844326. The cubic root of 107196809 is about 475.0368340781.

The spelling of 107196809 in words is "one hundred seven million, one hundred ninety-six thousand, eight hundred nine".