199770607 has 2 divisors, whose sum is σ = 199770608. Its totient is φ = 199770606.

The previous prime is 199770601. The next prime is 199770611. The reversal of 199770607 is 706077991.

It is a strong prime.

It is an emirp because it is prime and its reverse (706077991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199770607 - 2¹⁹ = 199246319 is a prime.

It is a super-2 number, since 2×199770607² = 79816590842296898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199770601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99885303 + 99885304.

It is an arithmetic number, because the mean of its divisors is an integer number (99885304).

Almost surely, 2^199770607 is an apocalyptic number.

199770607 is a deficient number, since it is larger than the sum of its proper divisors (1).

199770607 is an equidigital number, since it uses as much as digits as its factorization.

199770607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 166698, while the sum is 46.

The square root of 199770607 is about 14134.0230295553. The cubic root of 199770607 is about 584.5798790404.

The spelling of 199770607 in words is "one hundred ninety-nine million, seven hundred seventy thousand, six hundred seven".