108809093 has 2 divisors, whose sum is σ = 108809094. Its totient is φ = 108809092.

The previous prime is 108809081. The next prime is 108809111. The reversal of 108809093 is 390908801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99062209 + 9746884 = 9953^2 + 3122^2 .

It is a cyclic number.

It is not a de Polignac number, because 108809093 - 2¹⁰ = 108808069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108809023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54404546 + 54404547.

It is an arithmetic number, because the mean of its divisors is an integer number (54404547).

Almost surely, 2^108809093 is an apocalyptic number.

It is an amenable number.

108809093 is a deficient number, since it is larger than the sum of its proper divisors (1).

108809093 is an equidigital number, since it uses as much as digits as its factorization.

108809093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 108809093 is about 10431.1597150077. The cubic root of 108809093 is about 477.4065758400.

The spelling of 108809093 in words is "one hundred eight million, eight hundred nine thousand, ninety-three".