797788664792 has 64 divisors (see below), whose sum is σ = 1734257952000. Its totient is φ = 336986858880.

The previous prime is 797788664773. The next prime is 797788664807. The reversal of 797788664792 is 297466887797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752959 + ... + 2160657.

It is an arithmetic number, because the mean of its divisors is an integer number (27097780500).

Almost surely, 2^797788664792 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 797788664792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867128976000).

797788664792 is an abundant number, since it is smaller than the sum of its proper divisors (936469287208).

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

797788664792 is a wasteful number, since it uses less digits than its factorization.

797788664792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408216 (or 408212 counting only the distinct ones).

The product of its digits is 3584673792, while the sum is 80.

The spelling of 797788664792 in words is "seven hundred ninety-seven billion, seven hundred eighty-eight million, six hundred sixty-four thousand, seven hundred ninety-two".