791859601 has 4 divisors (see below), whose sum is σ = 852771892. Its totient is φ = 730947312.

The previous prime is 791859559. The next prime is 791859613. The reversal of 791859601 is 106958197.

It is a happy number.

791859601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 28140²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117158976 + 674700625 = 10824^2 + 25975^2 .

It is a cyclic number.

It is not a de Polignac number, because 791859601 - 2¹⁷ = 791728529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791859631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30456126 + ... + 30456151.

It is an arithmetic number, because the mean of its divisors is an integer number (213192973).

Almost surely, 2^791859601 is an apocalyptic number.

It is an amenable number.

791859601 is a deficient number, since it is larger than the sum of its proper divisors (60912291).

791859601 is a wasteful number, since it uses less digits than its factorization.

791859601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60912290.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 791859601 is about 28140.0000177683. Note that the first 4 decimals coincide. The cubic root of 791859601 is about 925.1583273177.

The spelling of 791859601 in words is "seven hundred ninety-one million, eight hundred fifty-nine thousand, six hundred one".