791887477472 has 576 divisors, whose sum is σ = 2143176598080. Its totient is φ = 284432891904.

The previous prime is 791887477441. The next prime is 791887477483. The reversal of 791887477472 is 274774788197.

It is a junction number, because it is equal to n+sod(n) for n = 791887477396 and 791887477405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1046086118 + ... + 1046086874.

It is an arithmetic number, because the mean of its divisors is an integer number (3720792705).

Almost surely, 2^791887477472 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 791887477472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071588299040).

791887477472 is an abundant number, since it is smaller than the sum of its proper divisors (1351289120608).

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

791887477472 is a wasteful number, since it uses less digits than its factorization.

791887477472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 908 counting only the distinct ones).

The product of its digits is 309786624, while the sum is 71.

The spelling of 791887477472 in words is "seven hundred ninety-one billion, eight hundred eighty-seven million, four hundred seventy-seven thousand, four hundred seventy-two".