797698471681 has 8 divisors (see below), whose sum is σ = 832392288000. Its totient is φ = 763005594912.

The previous prime is 797698471673. The next prime is 797698471709. The reversal of 797698471681 is 186174896797.

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 797698471681 - 2³ = 797698471673 is a prime.

It is a super-2 number, since 2×797698471681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797698471631) 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 7 ways as a sum of consecutive naturals, for example, 1921320 + ... + 2299318.

It is an arithmetic number, because the mean of its divisors is an integer number (104049036000).

Almost surely, 2^797698471681 is an apocalyptic number.

It is an amenable number.

797698471681 is a deficient number, since it is larger than the sum of its proper divisors (34693816319).

797698471681 is a wasteful number, since it uses less digits than its factorization.

797698471681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469775.

The product of its digits is 256048128, while the sum is 73.

The spelling of 797698471681 in words is "seven hundred ninety-seven billion, six hundred ninety-eight million, four hundred seventy-one thousand, six hundred eighty-one".