791979278709120 has 256 divisors, whose sum is σ = 2549638347641280. Its totient is φ = 209086215782400.

The previous prime is 791979278709097. The next prime is 791979278709133. The reversal of 791979278709120 is 21907872979197.

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, 2445751062 + ... + 2446074858.

Almost surely, 2^{791979278709120} 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 791979278709120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274819173820640).

791979278709120 is an abundant number, since it is smaller than the sum of its proper divisors (1757659068932160).

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

791979278709120 is a wasteful number, since it uses less digits than its factorization.

791979278709120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336533 (or 336521 counting only the distinct ones).

The product of its (nonzero) digits is 504094752, while the sum is 78.

The spelling of 791979278709120 in words is "seven hundred ninety-one trillion, nine hundred seventy-nine billion, two hundred seventy-eight million, seven hundred nine thousand, one hundred twenty".