797686797 has 8 divisors (see below), whose sum is σ = 1075533120. Its totient is φ = 525815840.

The previous prime is 797686793. The next prime is 797686817.

797686797 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 797686797 - 2² = 797686793 is a prime.

It is a super-2 number, since 2×797686797² = 1272608452216238418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797686793) 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, 1493529 + ... + 1494062.

It is an arithmetic number, because the mean of its divisors is an integer number (134441640).

Almost surely, 2^797686797 is an apocalyptic number.

It is an amenable number.

797686797 is a deficient number, since it is larger than the sum of its proper divisors (277846323).

797686797 is a wasteful number, since it uses less digits than its factorization.

797686797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987683.

The product of its digits is 56010528, while the sum is 66.

The square root of 797686797 is about 28243.3496065888. The cubic root of 797686797 is about 927.4221581807.

The spelling of 797686797 in words is "seven hundred ninety-seven million, six hundred eighty-six thousand, seven hundred ninety-seven".