797572829 has 2 divisors, whose sum is σ = 797572830. Its totient is φ = 797572828.

The previous prime is 797572807. The next prime is 797572837. The reversal of 797572829 is 928275797.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797215225 + 357604 = 28235^2 + 598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797572829 is a prime.

It is a super-2 number, since 2×797572829² = 1272244835118126482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797572849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398786414 + 398786415.

It is an arithmetic number, because the mean of its divisors is an integer number (398786415).

Almost surely, 2^797572829 is an apocalyptic number.

It is an amenable number.

797572829 is a deficient number, since it is larger than the sum of its proper divisors (1).

797572829 is an equidigital number, since it uses as much as digits as its factorization.

797572829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 56.

The square root of 797572829 is about 28241.3319268054. The cubic root of 797572829 is about 927.3779881785.

The spelling of 797572829 in words is "seven hundred ninety-seven million, five hundred seventy-two thousand, eight hundred twenty-nine".