118208897 has 2 divisors, whose sum is σ = 118208898. Its totient is φ = 118208896.

The previous prime is 118208879. The next prime is 118208917. The reversal of 118208897 is 798802811.

Together with previous prime (118208879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 29170801 = 9436^2 + 5401^2 .

It is a cyclic number.

It is not a de Polignac number, because 118208897 - 2⁸ = 118208641 is a prime.

It is not a weakly prime, because it can be changed into another prime (118208297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59104448 + 59104449.

It is an arithmetic number, because the mean of its divisors is an integer number (59104449).

Almost surely, 2^118208897 is an apocalyptic number.

It is an amenable number.

118208897 is a deficient number, since it is larger than the sum of its proper divisors (1).

118208897 is an equidigital number, since it uses as much as digits as its factorization.

118208897 is an odious number, because the sum of its binary digits is odd.

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

The square root of 118208897 is about 10872.3915032526. The cubic root of 118208897 is about 490.7760810066.

The spelling of 118208897 in words is "one hundred eighteen million, two hundred eight thousand, eight hundred ninety-seven".