79698289697 has 12 divisors (see below), whose sum is σ = 86349135600. Its totient is φ = 73526205168.

The previous prime is 79698289691. The next prime is 79698289729.

79698289697 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-79698289697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79698289691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170054 + ... + 433952.

It is an arithmetic number, because the mean of its divisors is an integer number (7195761300).

Almost surely, 2^79698289697 is an apocalyptic number.

It is an amenable number.

79698289697 is a deficient number, since it is larger than the sum of its proper divisors (6650845903).

79698289697 is a wasteful number, since it uses less digits than its factorization.

79698289697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265712 (or 265699 counting only the distinct ones).

The product of its digits is 1481421312, while the sum is 80.

The spelling of 79698289697 in words is "seventy-nine billion, six hundred ninety-eight million, two hundred eighty-nine thousand, six hundred ninety-seven".