797876465664 has 104 divisors (see below), whose sum is σ = 2131208033472. Its totient is φ = 265484124160.

The previous prime is 797876465653. The next prime is 797876465669. The reversal of 797876465664 is 466564678797.

It is not an unprimeable number, because it can be changed into a prime (797876465669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860479 + ... + 6975809.

Almost surely, 2^797876465664 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 797876465664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065604016736).

797876465664 is an abundant number, since it is smaller than the sum of its proper divisors (1333331567808).

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

797876465664 is a wasteful number, since it uses less digits than its factorization.

797876465664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115921 (or 115899 counting only the distinct ones).

The product of its digits is 2560481280, while the sum is 75.

The spelling of 797876465664 in words is "seven hundred ninety-seven billion, eight hundred seventy-six million, four hundred sixty-five thousand, six hundred sixty-four".