197079316792 has 16 divisors (see below), whose sum is σ = 375581485800. Its totient is φ = 96924253920.

The previous prime is 197079316789. The next prime is 197079316793. The reversal of 197079316792 is 297613970791.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a self number, because there is not a number n which added to its sum of digits gives 197079316792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197079316793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201925042 + ... + 201926017.

Almost surely, 2^197079316792 is an apocalyptic number.

It is an amenable number.

197079316792 is a deficient number, since it is larger than the sum of its proper divisors (178502169008).

197079316792 is a wasteful number, since it uses less digits than its factorization.

197079316792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403851126 (or 403851122 counting only the distinct ones).

The product of its (nonzero) digits is 9001692, while the sum is 61.

The spelling of 197079316792 in words is "one hundred ninety-seven billion, seventy-nine million, three hundred sixteen thousand, seven hundred ninety-two".