797907729 has 12 divisors (see below), whose sum is σ = 1099306608. Its totient is φ = 514777320.

The previous prime is 797907709. The next prime is 797907763. The reversal of 797907729 is 927709797.

It is not a de Polignac number, because 797907729 - 2¹² = 797903633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (797907709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135499 + ... + 141264.

It is an arithmetic number, because the mean of its divisors is an integer number (91608884).

Almost surely, 2^797907729 is an apocalyptic number.

It is an amenable number.

797907729 is a deficient number, since it is larger than the sum of its proper divisors (301398879).

797907729 is a wasteful number, since it uses less digits than its factorization.

797907729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276828 (or 276797 counting only the distinct ones).

The product of its (nonzero) digits is 3500658, while the sum is 57.

The square root of 797907729 is about 28247.2605574417. The cubic root of 797907729 is about 927.5077716986.

The spelling of 797907729 in words is "seven hundred ninety-seven million, nine hundred seven thousand, seven hundred twenty-nine".