79188406791 has 8 divisors (see below), whose sum is σ = 113706430320. Its totient is φ = 48731327232.

The previous prime is 79188406769. The next prime is 79188406811. The reversal of 79188406791 is 19760488197.

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

It is not a de Polignac number, because 79188406791 - 2⁶ = 79188406727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79188406091) 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, 1015235946 + ... + 1015236023.

It is an arithmetic number, because the mean of its divisors is an integer number (14213303790).

Almost surely, 2^79188406791 is an apocalyptic number.

79188406791 is a deficient number, since it is larger than the sum of its proper divisors (34518023529).

79188406791 is a wasteful number, since it uses less digits than its factorization.

79188406791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030471985.

The product of its (nonzero) digits is 6096384, while the sum is 60.

The spelling of 79188406791 in words is "seventy-nine billion, one hundred eighty-eight million, four hundred six thousand, seven hundred ninety-one".