791587949785197 has 8 divisors (see below), whose sum is σ = 1056421575430656. Its totient is φ = 527239811998272.

The previous prime is 791587949785187. The next prime is 791587949785231.

It is a happy number.

791587949785197 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 791587949785197 - 2¹¹ = 791587949783149 is a prime.

It is a super-2 number, since 2×791587949785197² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791587949785187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121371960828 + ... + 121371967349.

It is an arithmetic number, because the mean of its divisors is an integer number (132052696928832).

Almost surely, 2^{791587949785197} is an apocalyptic number.

It is an amenable number.

791587949785197 is a deficient number, since it is larger than the sum of its proper divisors (264833625645459).

791587949785197 is a wasteful number, since it uses less digits than its factorization.

791587949785197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242743929267.

The product of its digits is 100818950400, while the sum is 96.

The spelling of 791587949785197 in words is "seven hundred ninety-one trillion, five hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-five thousand, one hundred ninety-seven".