797289785161 has 16 divisors (see below), whose sum is σ = 820374202368. Its totient is φ = 774386121600.

The previous prime is 797289785153. The next prime is 797289785203. The reversal of 797289785161 is 161587982797.

It is a cyclic number.

It is not a de Polignac number, because 797289785161 - 2³ = 797289785153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797286785161) 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 15 ways as a sum of consecutive naturals, for example, 8543131 + ... + 8635951.

It is an arithmetic number, because the mean of its divisors is an integer number (51273387648).

Almost surely, 2^797289785161 is an apocalyptic number.

It is an amenable number.

797289785161 is a deficient number, since it is larger than the sum of its proper divisors (23084417207).

797289785161 is a wasteful number, since it uses less digits than its factorization.

797289785161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93792.

The product of its digits is 106686720, while the sum is 70.

The spelling of 797289785161 in words is "seven hundred ninety-seven billion, two hundred eighty-nine million, seven hundred eighty-five thousand, one hundred sixty-one".