791099167 has 2 divisors, whose sum is σ = 791099168. Its totient is φ = 791099166.

The previous prime is 791099123. The next prime is 791099171. The reversal of 791099167 is 761990197.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-791099167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 791099167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791099567) by changing a digit.

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 as a sum of consecutive naturals, namely, 395549583 + 395549584.

It is an arithmetic number, because the mean of its divisors is an integer number (395549584).

Almost surely, 2^791099167 is an apocalyptic number.

791099167 is a deficient number, since it is larger than the sum of its proper divisors (1).

791099167 is an equidigital number, since it uses as much as digits as its factorization.

791099167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326, while the sum is 49.

The square root of 791099167 is about 28126.4851518991. The cubic root of 791099167 is about 924.8620849167.

The spelling of 791099167 in words is "seven hundred ninety-one million, ninety-nine thousand, one hundred sixty-seven".