797686686797 has 24 divisors (see below), whose sum is σ = 1079133689088. Its totient is φ = 573760645920.

The previous prime is 797686686773. The next prime is 797686686821.

797686686797 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (797686686773) and next prime (797686686821).

It is not a de Polignac number, because 797686686797 - 2¹⁸ = 797686424653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797686686707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36211253 + ... + 36233274.

It is an arithmetic number, because the mean of its divisors is an integer number (44963903712).

Almost surely, 2^797686686797 is an apocalyptic number.

797686686797 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

797686686797 is a deficient number, since it is larger than the sum of its proper divisors (281447002291).

797686686797 is a wasteful number, since it uses less digits than its factorization.

797686686797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72444569 (or 72444558 counting only the distinct ones).

The product of its digits is 16131032064, while the sum is 86.

The spelling of 797686686797 in words is "seven hundred ninety-seven billion, six hundred eighty-six million, six hundred eighty-six thousand, seven hundred ninety-seven".