79169896943 has 4 divisors (see below), whose sum is σ = 80467764168. Its totient is φ = 77872029720.

The previous prime is 79169896909. The next prime is 79169896957. The reversal of 79169896943 is 34969896197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79169896943 - 2⁶ = 79169896879 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 (79169896343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648933521 + ... + 648933642.

It is an arithmetic number, because the mean of its divisors is an integer number (20116941042).

Almost surely, 2^79169896943 is an apocalyptic number.

79169896943 is a deficient number, since it is larger than the sum of its proper divisors (1297867225).

79169896943 is a wasteful number, since it uses less digits than its factorization.

79169896943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297867224.

The product of its digits is 158723712, while the sum is 71.

The spelling of 79169896943 in words is "seventy-nine billion, one hundred sixty-nine million, eight hundred ninety-six thousand, nine hundred forty-three".