208198590107 has 2 divisors, whose sum is σ = 208198590108. Its totient is φ = 208198590106.

The previous prime is 208198590073. The next prime is 208198590133. The reversal of 208198590107 is 701095891802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208198590107 - 2⁶ = 208198590043 is a prime.

It is not a weakly prime, because it can be changed into another prime (208198590307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104099295053 + 104099295054.

It is an arithmetic number, because the mean of its divisors is an integer number (104099295054).

Almost surely, 2^208198590107 is an apocalyptic number.

208198590107 is a deficient number, since it is larger than the sum of its proper divisors (1).

208198590107 is an equidigital number, since it uses as much as digits as its factorization.

208198590107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 208198590107 in words is "two hundred eight billion, one hundred ninety-eight million, five hundred ninety thousand, one hundred seven".