812707171297 has 8 divisors (see below), whose sum is σ = 929410157696. Its totient is φ = 696154675392.

The previous prime is 812707171273. The next prime is 812707171307. The reversal of 812707171297 is 792171707218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 812707171297 - 2³¹ = 810559687649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (812707171897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37611048 + ... + 37632649.

It is an arithmetic number, because the mean of its divisors is an integer number (116176269712).

Almost surely, 2^812707171297 is an apocalyptic number.

It is an amenable number.

812707171297 is a deficient number, since it is larger than the sum of its proper divisors (116702986399).

812707171297 is a wasteful number, since it uses less digits than its factorization.

812707171297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75245247.

The product of its (nonzero) digits is 691488, while the sum is 52.

The spelling of 812707171297 in words is "eight hundred twelve billion, seven hundred seven million, one hundred seventy-one thousand, two hundred ninety-seven".