797798617 has 12 divisors (see below), whose sum is σ = 1002194368. Its totient is φ = 621660600.

The previous prime is 797798611. The next prime is 797798629. The reversal of 797798617 is 716897797.

It is not a de Polignac number, because 797798617 - 2¹¹ = 797796569 is a prime.

It is a super-3 number, since 3×797798617³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (797798611) 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 11 ways as a sum of consecutive naturals, for example, 470109 + ... + 471802.

Almost surely, 2^797798617 is an apocalyptic number.

797798617 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

797798617 is a deficient number, since it is larger than the sum of its proper divisors (204395751).

797798617 is a wasteful number, since it uses less digits than its factorization.

797798617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941940 (or 941929 counting only the distinct ones).

The product of its digits is 9335088, while the sum is 61.

The square root of 797798617 is about 28245.3291182808. The cubic root of 797798617 is about 927.4654916046.

The spelling of 797798617 in words is "seven hundred ninety-seven million, seven hundred ninety-eight thousand, six hundred seventeen".