7797108816 has 320 divisors, whose sum is σ = 26628771840. Its totient is φ = 2138088960.

The previous prime is 7797108799. The next prime is 7797108817. The reversal of 7797108816 is 6188017977.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7797108817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7931461 + ... + 7932443.

It is an arithmetic number, because the mean of its divisors is an integer number (83214912).

Almost surely, 2^7797108816 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 7797108816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13314385920).

7797108816 is an abundant number, since it is smaller than the sum of its proper divisors (18831663024).

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

7797108816 is a wasteful number, since it uses less digits than its factorization.

7797108816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The square root of 7797108816 is about 88301.2390400044. The cubic root of 7797108816 is about 1982.9474193066.

The spelling of 7797108816 in words is "seven billion, seven hundred ninety-seven million, one hundred eight thousand, eight hundred sixteen".