797699996797 has 6 divisors (see below), whose sum is σ = 876810740414. Its totient is φ = 725181815160.

The previous prime is 797699996773. The next prime is 797699996809.

797699996797 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 457220744761 + 340479252036 = 676181^2 + 583506^2 .

It is a de Polignac number, because none of the positive numbers 2^k-797699996797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797699996297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3296280858 + ... + 3296281099.

Almost surely, 2^797699996797 is an apocalyptic number.

It is an amenable number.

797699996797 is a deficient number, since it is larger than the sum of its proper divisors (79110743617).

797699996797 is a wasteful number, since it uses less digits than its factorization.

797699996797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592561979 (or 6592561968 counting only the distinct ones).

The product of its digits is 45935634276, while the sum is 94.

The spelling of 797699996797 in words is "seven hundred ninety-seven billion, six hundred ninety-nine million, nine hundred ninety-six thousand, seven hundred ninety-seven".