195606799 has 2 divisors, whose sum is σ = 195606800. Its totient is φ = 195606798.

The previous prime is 195606793. The next prime is 195606821. The reversal of 195606799 is 997606591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195606799 - 2³ = 195606791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195606791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97803399 + 97803400.

It is an arithmetic number, because the mean of its divisors is an integer number (97803400).

Almost surely, 2^195606799 is an apocalyptic number.

195606799 is a deficient number, since it is larger than the sum of its proper divisors (1).

195606799 is an equidigital number, since it uses as much as digits as its factorization.

195606799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 195606799 is about 13985.9500571109. The cubic root of 195606799 is about 580.4898744773.

The spelling of 195606799 in words is "one hundred ninety-five million, six hundred six thousand, seven hundred ninety-nine".