797589691 has 2 divisors, whose sum is σ = 797589692. Its totient is φ = 797589690.

The previous prime is 797589659. The next prime is 797589703. The reversal of 797589691 is 196985797.

797589691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (196985797) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 797589691 - 2⁵ = 797589659 is a prime.

It is a super-2 number, since 2×797589691² = 1272298630378950962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (797589631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398794845 + 398794846.

It is an arithmetic number, because the mean of its divisors is an integer number (398794846).

Almost surely, 2^797589691 is an apocalyptic number.

797589691 is a deficient number, since it is larger than the sum of its proper divisors (1).

797589691 is an equidigital number, since it uses as much as digits as its factorization.

797589691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 61.

The square root of 797589691 is about 28241.6304593060. The cubic root of 797589691 is about 927.3845235639.

The spelling of 797589691 in words is "seven hundred ninety-seven million, five hundred eighty-nine thousand, six hundred ninety-one".