7798075327320 has 128 divisors (see below), whose sum is σ = 23676902726400. Its totient is φ = 2054469920256.

The previous prime is 7798075327309. The next prime is 7798075327331. The reversal of 7798075327320 is 237235708977.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7798075327309) and next prime (7798075327331).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3679707 + ... + 5397813.

It is an arithmetic number, because the mean of its divisors is an integer number (184975802550).

Almost surely, 2^{7798075327320} 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 7798075327320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11838451363200).

7798075327320 is an abundant number, since it is smaller than the sum of its proper divisors (15878827399080).

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

7798075327320 is a wasteful number, since it uses less digits than its factorization.

7798075327320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718577 (or 1718573 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 60.

The spelling of 7798075327320 in words is "seven trillion, seven hundred ninety-eight billion, seventy-five million, three hundred twenty-seven thousand, three hundred twenty".