791620776960 has 352 divisors, whose sum is σ = 2730270127872. Its totient is φ = 194606530560.

The previous prime is 791620776953. The next prime is 791620776971. The reversal of 791620776960 is 69677026197.

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

It is a junction number, because it is equal to n+sod(n) for n = 791620776894 and 791620776903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187098045 + ... + 187102275.

Almost surely, 2^791620776960 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 791620776960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365135063936).

791620776960 is an abundant number, since it is smaller than the sum of its proper divisors (1938649350912).

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

791620776960 is a wasteful number, since it uses less digits than its factorization.

791620776960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209 (or 5191 counting only the distinct ones).

The product of its (nonzero) digits is 12002256, while the sum is 60.

The spelling of 791620776960 in words is "seven hundred ninety-one billion, six hundred twenty million, seven hundred seventy-six thousand, nine hundred sixty".