797729961 has 8 divisors (see below), whose sum is σ = 1215588544. Its totient is φ = 455845680.

The previous prime is 797729929. The next prime is 797729969. The reversal of 797729961 is 169927797.

797729961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 797729961 - 2⁵ = 797729929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797729969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18993550 + ... + 18993591.

It is an arithmetic number, because the mean of its divisors is an integer number (151948568).

Almost surely, 2^797729961 is an apocalyptic number.

It is an amenable number.

797729961 is a deficient number, since it is larger than the sum of its proper divisors (417858583).

797729961 is a wasteful number, since it uses less digits than its factorization.

797729961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37987151.

The product of its digits is 3000564, while the sum is 57.

The square root of 797729961 is about 28244.1137407425. The cubic root of 797729961 is about 927.4388859357.

The spelling of 797729961 in words is "seven hundred ninety-seven million, seven hundred twenty-nine thousand, nine hundred sixty-one".