79867666676897 has 16 divisors (see below), whose sum is σ = 87439391248320. Its totient is φ = 72348082329600.

The previous prime is 79867666676869. The next prime is 79867666676909.

79867666676897 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79867666676897 - 2¹⁴ = 79867666660513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79867666676597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271647 + ... + 12841172.

It is an arithmetic number, because the mean of its divisors is an integer number (5464961953020).

Almost surely, 2^{79867666676897} is an apocalyptic number.

It is an amenable number.

79867666676897 is a deficient number, since it is larger than the sum of its proper divisors (7571724571423).

79867666676897 is a wasteful number, since it uses less digits than its factorization.

79867666676897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114544.

The product of its digits is 580717154304, while the sum is 98.

The spelling of 79867666676897 in words is "seventy-nine trillion, eight hundred sixty-seven billion, six hundred sixty-six million, six hundred seventy-six thousand, eight hundred ninety-seven".