797729243 has 2 divisors, whose sum is σ = 797729244. Its totient is φ = 797729242.

The previous prime is 797729237. The next prime is 797729297. The reversal of 797729243 is 342927797.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 797729243 - 2⁴ = 797729227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 797729191 and 797729200.

It is not a weakly prime, because it can be changed into another prime (797729143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398864621 + 398864622.

It is an arithmetic number, because the mean of its divisors is an integer number (398864622).

Almost surely, 2^797729243 is an apocalyptic number.

797729243 is a deficient number, since it is larger than the sum of its proper divisors (1).

797729243 is an equidigital number, since it uses as much as digits as its factorization.

797729243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 797729243 is about 28244.1010301266. The cubic root of 797729243 is about 927.4386076873.

The spelling of 797729243 in words is "seven hundred ninety-seven million, seven hundred twenty-nine thousand, two hundred forty-three".