197390767792 has 40 divisors (see below), whose sum is σ = 393688580096. Its totient is φ = 95806043136.

The previous prime is 197390767733. The next prime is 197390767799. The reversal of 197390767792 is 297767093791.

197390767792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (197390767799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128688 + ... + 641359.

Almost surely, 2^197390767792 is an apocalyptic number.

It is an amenable number.

197390767792 is a deficient number, since it is larger than the sum of its proper divisors (196297812304).

197390767792 is a wasteful number, since it uses less digits than its factorization.

197390767792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770525 (or 770519 counting only the distinct ones).

The product of its (nonzero) digits is 63011844, while the sum is 67.

The spelling of 197390767792 in words is "one hundred ninety-seven billion, three hundred ninety million, seven hundred sixty-seven thousand, seven hundred ninety-two".