797715291 has 8 divisors (see below), whose sum is σ = 1065232144. Its totient is φ = 531004320.

The previous prime is 797715257. The next prime is 797715307. The reversal of 797715291 is 192517797.

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

It is not a de Polignac number, because 797715291 - 2¹¹ = 797713243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 797715291.

It is not an unprimeable number, because it can be changed into a prime (797715211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199156 + ... + 203121.

It is an arithmetic number, because the mean of its divisors is an integer number (133154018).

Almost surely, 2^797715291 is an apocalyptic number.

797715291 is a deficient number, since it is larger than the sum of its proper divisors (267516853).

797715291 is a wasteful number, since it uses less digits than its factorization.

797715291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402941.

The product of its digits is 277830, while the sum is 48.

The square root of 797715291 is about 28243.8540394189. The cubic root of 797715291 is about 927.4332007990.

The spelling of 797715291 in words is "seven hundred ninety-seven million, seven hundred fifteen thousand, two hundred ninety-one".