797899429 has 2 divisors, whose sum is σ = 797899430. Its totient is φ = 797899428.

The previous prime is 797899411. The next prime is 797899451. The reversal of 797899429 is 924998797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795127204 + 2772225 = 28198^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 797899429 - 2¹⁷ = 797768357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (797899409) 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, 398949714 + 398949715.

It is an arithmetic number, because the mean of its divisors is an integer number (398949715).

Almost surely, 2^797899429 is an apocalyptic number.

It is an amenable number.

797899429 is a deficient number, since it is larger than the sum of its proper divisors (1).

797899429 is an equidigital number, since it uses as much as digits as its factorization.

797899429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20575296, while the sum is 64.

The square root of 797899429 is about 28247.1136401580. The cubic root of 797899429 is about 927.5045556454.

The spelling of 797899429 in words is "seven hundred ninety-seven million, eight hundred ninety-nine thousand, four hundred twenty-nine".