79115696191 has 8 divisors (see below), whose sum is σ = 90886426784. Its totient is φ = 67462087680.

The previous prime is 79115696189. The next prime is 79115696203. The reversal of 79115696191 is 19169651197.

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 79115696191 - 2¹ = 79115696189 is a prime.

It is a super-2 number, since 2×79115696191² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79115696141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29279070 + ... + 29281771.

It is an arithmetic number, because the mean of its divisors is an integer number (11360803348).

Almost surely, 2^79115696191 is an apocalyptic number.

79115696191 is a deficient number, since it is larger than the sum of its proper divisors (11770730593).

79115696191 is a wasteful number, since it uses less digits than its factorization.

79115696191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58561041.

The product of its digits is 918540, while the sum is 55.

The spelling of 79115696191 in words is "seventy-nine billion, one hundred fifteen million, six hundred ninety-six thousand, one hundred ninety-one".