791192099 has 2 divisors, whose sum is σ = 791192100. Its totient is φ = 791192098.

The previous prime is 791192089. The next prime is 791192117. The reversal of 791192099 is 990291197.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 791192099 - 2²⁸ = 522756643 is a prime.

It is not a weakly prime, because it can be changed into another prime (791192009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395596049 + 395596050.

It is an arithmetic number, because the mean of its divisors is an integer number (395596050).

Almost surely, 2^791192099 is an apocalyptic number.

791192099 is a deficient number, since it is larger than the sum of its proper divisors (1).

791192099 is an equidigital number, since it uses as much as digits as its factorization.

791192099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 47.

The square root of 791192099 is about 28128.1371405929. The cubic root of 791192099 is about 924.8982986311.

It can be divided in two parts, 79119 and 2099, that added together give a palindrome (81218).

The spelling of 791192099 in words is "seven hundred ninety-one million, one hundred ninety-two thousand, ninety-nine".