108343897 has 2 divisors, whose sum is σ = 108343898. Its totient is φ = 108343896.

The previous prime is 108343889. The next prime is 108343901. The reversal of 108343897 is 798343801.

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., 60512841 + 47831056 = 7779^2 + 6916^2 .

It is an emirp because it is prime and its reverse (798343801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108343897 - 2³ = 108343889 is a prime.

It is not a weakly prime, because it can be changed into another prime (108343097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54171948 + 54171949.

It is an arithmetic number, because the mean of its divisors is an integer number (54171949).

Almost surely, 2^108343897 is an apocalyptic number.

It is an amenable number.

108343897 is a deficient number, since it is larger than the sum of its proper divisors (1).

108343897 is an equidigital number, since it uses as much as digits as its factorization.

108343897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 108343897 is about 10408.8374470927. The cubic root of 108343897 is about 476.7252452718.

The spelling of 108343897 in words is "one hundred eight million, three hundred forty-three thousand, eight hundred ninety-seven".