106775909 has 2 divisors, whose sum is σ = 106775910. Its totient is φ = 106775908.

The previous prime is 106775843. The next prime is 106775971. The reversal of 106775909 is 909577601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106151809 + 624100 = 10303^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 106775909 - 2⁸ = 106775653 is a prime.

It is a super-2 number, since 2×106775909² = 22802189485552562, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106775909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106775989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53387954 + 53387955.

It is an arithmetic number, because the mean of its divisors is an integer number (53387955).

Almost surely, 2^106775909 is an apocalyptic number.

It is an amenable number.

106775909 is a deficient number, since it is larger than the sum of its proper divisors (1).

106775909 is an equidigital number, since it uses as much as digits as its factorization.

106775909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 106775909 is about 10333.2429082065. The cubic root of 106775909 is about 474.4142867448.

The spelling of 106775909 in words is "one hundred six million, seven hundred seventy-five thousand, nine hundred nine".