79193918388385 has 8 divisors (see below), whose sum is σ = 95035804750656. Its totient is φ = 63353066254320.

The previous prime is 79193918388359. The next prime is 79193918388391. The reversal of 79193918388385 is 58388381939197.

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

It is not a de Polignac number, because 79193918388385 - 2¹³ = 79193918380193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79193918388299 and 79193918388308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258388579 + ... + 258694888.

It is an arithmetic number, because the mean of its divisors is an integer number (11879475593832).

Almost surely, 2^{79193918388385} is an apocalyptic number.

It is an amenable number.

79193918388385 is a deficient number, since it is larger than the sum of its proper divisors (15841886362271).

79193918388385 is a wasteful number, since it uses less digits than its factorization.

79193918388385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517114103.

The product of its digits is 2821754880, while the sum is 82.

The spelling of 79193918388385 in words is "seventy-nine trillion, one hundred ninety-three billion, nine hundred eighteen million, three hundred eighty-eight thousand, three hundred eighty-five".