8097657923729 has 32 divisors (see below), whose sum is σ = 9004474512000. Its totient is φ = 7220438668800.

The previous prime is 8097657923711. The next prime is 8097657923737. The reversal of 8097657923729 is 9273297567908.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8097657923729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8097657923129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376642022 + ... + 376663520.

It is an arithmetic number, because the mean of its divisors is an integer number (281389828500).

Almost surely, 2^{8097657923729} is an apocalyptic number.

It is an amenable number.

8097657923729 is a deficient number, since it is larger than the sum of its proper divisors (906816588271).

8097657923729 is a wasteful number, since it uses less digits than its factorization.

8097657923729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24161.

The product of its (nonzero) digits is 720135360, while the sum is 74.

The spelling of 8097657923729 in words is "eight trillion, ninety-seven billion, six hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred twenty-nine".