198070207 has 2 divisors, whose sum is σ = 198070208. Its totient is φ = 198070206.

The previous prime is 198070199. The next prime is 198070219. The reversal of 198070207 is 702070891.

It is a weak prime.

It is an emirp because it is prime and its reverse (702070891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198070207 - 2³ = 198070199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198070237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99035103 + 99035104.

It is an arithmetic number, because the mean of its divisors is an integer number (99035104).

Almost surely, 2^198070207 is an apocalyptic number.

198070207 is a deficient number, since it is larger than the sum of its proper divisors (1).

198070207 is an equidigital number, since it uses as much as digits as its factorization.

198070207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 198070207 is about 14073.7417554821. The cubic root of 198070207 is about 582.9165490503.

The spelling of 198070207 in words is "one hundred ninety-eight million, seventy thousand, two hundred seven".