79805768318 has 8 divisors (see below), whose sum is σ = 120163819248. Its totient is φ = 39751161904.

The previous prime is 79805768297. The next prime is 79805768351. The reversal of 79805768318 is 81386750897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75860471 + ... + 75861522.

It is an arithmetic number, because the mean of its divisors is an integer number (15020477406).

Almost surely, 2^79805768318 is an apocalyptic number.

79805768318 is a deficient number, since it is larger than the sum of its proper divisors (40358050930).

79805768318 is a wasteful number, since it uses less digits than its factorization.

79805768318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151722258.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 79805768318 in words is "seventy-nine billion, eight hundred five million, seven hundred sixty-eight thousand, three hundred eighteen".