79996723094 has 4 divisors (see below), whose sum is σ = 119995084644. Its totient is φ = 39998361546.

The previous prime is 79996723061. The next prime is 79996723099. The reversal of 79996723094 is 49032769997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49032769997 = 189353 ⋅258949.

It is a super-2 number, since 2×79996723094² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79996723094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79996723099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19999180772 + ... + 19999180775.

It is an arithmetic number, because the mean of its divisors is an integer number (29998771161).

Almost surely, 2^79996723094 is an apocalyptic number.

79996723094 is a deficient number, since it is larger than the sum of its proper divisors (39998361550).

79996723094 is a wasteful number, since it uses less digits than its factorization.

79996723094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39998361549.

The product of its (nonzero) digits is 46294416, while the sum is 65.

The spelling of 79996723094 in words is "seventy-nine billion, nine hundred ninety-six million, seven hundred twenty-three thousand, ninety-four".