797724227329 has 2 divisors, whose sum is σ = 797724227330. Its totient is φ = 797724227328.

The previous prime is 797724227257. The next prime is 797724227413. The reversal of 797724227329 is 923722427797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752547575025 + 45176652304 = 867495^2 + 212548^2 .

It is a cyclic number.

It is not a de Polignac number, because 797724227329 - 2¹⁹ = 797723703041 is a prime.

It is not a weakly prime, because it can be changed into another prime (797724027329) 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, 398862113664 + 398862113665.

It is an arithmetic number, because the mean of its divisors is an integer number (398862113665).

Almost surely, 2^797724227329 is an apocalyptic number.

It is an amenable number.

797724227329 is a deficient number, since it is larger than the sum of its proper divisors (1).

797724227329 is an equidigital number, since it uses as much as digits as its factorization.

797724227329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37340352, while the sum is 61.

The spelling of 797724227329 in words is "seven hundred ninety-seven billion, seven hundred twenty-four million, two hundred twenty-seven thousand, three hundred twenty-nine".