8197397173752 has 16 divisors (see below), whose sum is σ = 20493492934440. Its totient is φ = 2732465724576.

The previous prime is 8197397173739. The next prime is 8197397173787. The reversal of 8197397173752 is 2573717937918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170779107763 + ... + 170779107810.

Almost surely, 2^{8197397173752} is an apocalyptic number.

It is an amenable number.

8197397173752 is an abundant number, since it is smaller than the sum of its proper divisors (12296095760688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8197397173752 is a wasteful number, since it uses less digits than its factorization.

8197397173752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341558215582 (or 341558215578 counting only the distinct ones).

The product of its digits is 140026320, while the sum is 69.

The spelling of 8197397173752 in words is "eight trillion, one hundred ninety-seven billion, three hundred ninety-seven million, one hundred seventy-three thousand, seven hundred fifty-two".