79394086823399 has 8 divisors (see below), whose sum is σ = 79551035052720. Its totient is φ = 79237142390016.

The previous prime is 79394086823393. The next prime is 79394086823461. The reversal of 79394086823399 is 99332868049397.

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

It is a cyclic number.

It is not a de Polignac number, because 79394086823399 - 2⁸ = 79394086823143 is a prime.

It is a super-3 number, since 3×79394086823399³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79394086823393) 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 7 ways as a sum of consecutive naturals, for example, 42925844 + ... + 44737190.

It is an arithmetic number, because the mean of its divisors is an integer number (9943879381590).

Almost surely, 2^{79394086823399} is an apocalyptic number.

79394086823399 is a deficient number, since it is larger than the sum of its proper divisors (156948229321).

79394086823399 is a wasteful number, since it uses less digits than its factorization.

79394086823399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897969.

The product of its (nonzero) digits is 3809369088, while the sum is 80.

The spelling of 79394086823399 in words is "seventy-nine trillion, three hundred ninety-four billion, eighty-six million, eight hundred twenty-three thousand, three hundred ninety-nine".