797817600000 has 1296 divisors, whose sum is σ = 3148149677400. Its totient is φ = 201553920000.

The previous prime is 797817599963. The next prime is 797817600017. The reversal of 797817600000 is 6718797.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 41990399991 + ... + 41990400009.

Almost surely, 2^797817600000 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 797817600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574074838700).

797817600000 is an abundant number, since it is smaller than the sum of its proper divisors (2350332077400).

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

797817600000 is an frugal number, since it uses more digits than its factorization.

797817600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 797817600000 in words is "seven hundred ninety-seven billion, eight hundred seventeen million, six hundred thousand".