797131421359668 has 48 divisors (see below), whose sum is σ = 2085596991016000. Its totient is φ = 263272763013984.

The previous prime is 797131421359601. The next prime is 797131421359717. The reversal of 797131421359668 is 866953124131797.

797131421359668 is a `hidden beast` number, since 7 + 9 + 7 + 1 + 3 + 1 + 4 + 21 + 3 + 596 + 6 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 797131421359596 and 797131421359605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33857082238 + ... + 33857105781.

Almost surely, 2^{797131421359668} is an apocalyptic number.

It is an amenable number.

797131421359668 is an abundant number, since it is smaller than the sum of its proper divisors (1288465569656332).

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

797131421359668 is a wasteful number, since it uses less digits than its factorization.

797131421359668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67714188141 (or 67714188133 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 72.

The spelling of 797131421359668 in words is "seven hundred ninety-seven trillion, one hundred thirty-one billion, four hundred twenty-one million, three hundred fifty-nine thousand, six hundred sixty-eight".