791851980 has 192 divisors, whose sum is σ = 2424844800. Its totient is φ = 192430080.

The previous prime is 791851927. The next prime is 791851987. The reversal of 791851980 is 89158197.

It is not an unprimeable number, because it can be changed into a prime (791851987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4102764 + ... + 4102956.

It is an arithmetic number, because the mean of its divisors is an integer number (12629400).

Almost surely, 2^791851980 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 791851980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212422400).

791851980 is an abundant number, since it is smaller than the sum of its proper divisors (1632992820).

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

791851980 is a wasteful number, since it uses less digits than its factorization.

791851980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 48.

The square root of 791851980 is about 28139.8646052180. The cubic root of 791851980 is about 925.1553593445.

The spelling of 791851980 in words is "seven hundred ninety-one million, eight hundred fifty-one thousand, nine hundred eighty".