797693266944 has 880 divisors, whose sum is σ = 2824820697600. Its totient is φ = 219497693184.

The previous prime is 797693266913. The next prime is 797693266973. The reversal of 797693266944 is 449662396797.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2221986637 + ... + 2221986995.

It is an arithmetic number, because the mean of its divisors is an integer number (3210023520).

Almost surely, 2^797693266944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797693266944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412410348800).

797693266944 is an abundant number, since it is smaller than the sum of its proper divisors (2027127430656).

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

797693266944 is a wasteful number, since it uses less digits than its factorization.

797693266944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 503 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 72.

The spelling of 797693266944 in words is "seven hundred ninety-seven billion, six hundred ninety-three million, two hundred sixty-six thousand, nine hundred forty-four".