79736863797 has 6 divisors (see below), whose sum is σ = 115175469942. Its totient is φ = 53157909192.

The previous prime is 79736863757. The next prime is 79736863823.

79736863797 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 47512664676 + 32224199121 = 217974^2 + 179511^2 .

It is not a de Polignac number, because 79736863797 - 2⁷ = 79736863669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79736863757) 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, 4429825758 + ... + 4429825775.

It is an arithmetic number, because the mean of its divisors is an integer number (19195911657).

Almost surely, 2^79736863797 is an apocalyptic number.

It is an amenable number.

79736863797 is a deficient number, since it is larger than the sum of its proper divisors (35438606145).

79736863797 is a wasteful number, since it uses less digits than its factorization.

79736863797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8859651539 (or 8859651536 counting only the distinct ones).

The product of its digits is 504094752, while the sum is 72.

The spelling of 79736863797 in words is "seventy-nine billion, seven hundred thirty-six million, eight hundred sixty-three thousand, seven hundred ninety-seven".