797729297 has 2 divisors, whose sum is σ = 797729298. Its totient is φ = 797729296.

The previous prime is 797729243. The next prime is 797729299. The reversal of 797729297 is 792927797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 607178881 + 190550416 = 24641^2 + 13804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797729297 is a prime.

It is a super-2 number, since 2×797729297² = 1272744062584228418, which contains 22 as substring.

Together with 797729299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (797729299) 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, 398864648 + 398864649.

It is an arithmetic number, because the mean of its divisors is an integer number (398864649).

Almost surely, 2^797729297 is an apocalyptic number.

It is an amenable number.

797729297 is a deficient number, since it is larger than the sum of its proper divisors (1).

797729297 is an equidigital number, since it uses as much as digits as its factorization.

797729297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7001316, while the sum is 59.

The square root of 797729297 is about 28244.1019860784. The cubic root of 797729297 is about 927.4386286141.

The spelling of 797729297 in words is "seven hundred ninety-seven million, seven hundred twenty-nine thousand, two hundred ninety-seven".