200308117897 has 2 divisors, whose sum is σ = 200308117898. Its totient is φ = 200308117896.

The previous prime is 200308117873. The next prime is 200308117901. The reversal of 200308117897 is 798711803002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108339064201 + 91969053696 = 329149^2 + 303264^2 .

It is a cyclic number.

It is not a de Polignac number, because 200308117897 - 2¹⁹ = 200307593609 is a prime.

It is not a weakly prime, because it can be changed into another prime (200308117697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100154058948 + 100154058949.

It is an arithmetic number, because the mean of its divisors is an integer number (100154058949).

Almost surely, 2^200308117897 is an apocalyptic number.

It is an amenable number.

200308117897 is a deficient number, since it is larger than the sum of its proper divisors (1).

200308117897 is an equidigital number, since it uses as much as digits as its factorization.

200308117897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 200308117897 in words is "two hundred billion, three hundred eight million, one hundred seventeen thousand, eight hundred ninety-seven".