108218897 has 2 divisors, whose sum is σ = 108218898. Its totient is φ = 108218896.

The previous prime is 108218879. The next prime is 108218899. The reversal of 108218897 is 798812801.

Together with previous prime (108218879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107972881 + 246016 = 10391^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 108218897 - 2⁶ = 108218833 is a prime.

It is a super-2 number, since 2×108218897² = 23422659335793218, which contains 22 as substring.

Together with 108218899, 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 (108218899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54109448 + 54109449.

It is an arithmetic number, because the mean of its divisors is an integer number (54109449).

Almost surely, 2^108218897 is an apocalyptic number.

It is an amenable number.

108218897 is a deficient number, since it is larger than the sum of its proper divisors (1).

108218897 is an equidigital number, since it uses as much as digits as its factorization.

108218897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 44.

The square root of 108218897 is about 10402.8312011683. The cubic root of 108218897 is about 476.5418367327.

The spelling of 108218897 in words is "one hundred eight million, two hundred eighteen thousand, eight hundred ninety-seven".