797521987120768 has 384 divisors, whose sum is σ = 2028273506058240. Its totient is φ = 309498784358400.

The previous prime is 797521987120751. The next prime is 797521987120777. The reversal of 797521987120768 is 867021789125797.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35396641663 + ... + 35396664193.

It is an arithmetic number, because the mean of its divisors is an integer number (5281962255360).

Almost surely, 2^{797521987120768} 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 797521987120768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014136753029120).

797521987120768 is an abundant number, since it is smaller than the sum of its proper divisors (1230751518937472).

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

797521987120768 is a wasteful number, since it uses less digits than its factorization.

797521987120768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30816 (or 30797 counting only the distinct ones).

The product of its (nonzero) digits is 1493614080, while the sum is 79.

The spelling of 797521987120768 in words is "seven hundred ninety-seven trillion, five hundred twenty-one billion, nine hundred eighty-seven million, one hundred twenty thousand, seven hundred sixty-eight".