108866773 has 2 divisors, whose sum is σ = 108866774. Its totient is φ = 108866772.

The previous prime is 108866749. The next prime is 108866803. The reversal of 108866773 is 377668801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107371044 + 1495729 = 10362^2 + 1223^2 .

It is an emirp because it is prime and its reverse (377668801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108866773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108866743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54433386 + 54433387.

It is an arithmetic number, because the mean of its divisors is an integer number (54433387).

Almost surely, 2^108866773 is an apocalyptic number.

It is an amenable number.

108866773 is a deficient number, since it is larger than the sum of its proper divisors (1).

108866773 is an equidigital number, since it uses as much as digits as its factorization.

108866773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 108866773 is about 10433.9241419516. The cubic root of 108866773 is about 477.4909191186.

The spelling of 108866773 in words is "one hundred eight million, eight hundred sixty-six thousand, seven hundred seventy-three".