79175746745 has 4 divisors (see below), whose sum is σ = 95010896100. Its totient is φ = 63340597392.

The previous prime is 79175746711. The next prime is 79175746747. The reversal of 79175746745 is 54764757197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54764757197 = 113 ⋅484643869.

It can be written as a sum of positive squares in 2 ways, for example, as 31608572944 + 47567173801 = 177788^2 + 218099^2 .

It is a cyclic number.

It is not a de Polignac number, because 79175746745 - 2⁶ = 79175746681 is a prime.

It is a super-3 number, since 3×79175746745³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79175746747) by changing a digit.

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, 7917574670 + ... + 7917574679.

It is an arithmetic number, because the mean of its divisors is an integer number (23752724025).

Almost surely, 2^79175746745 is an apocalyptic number.

It is an amenable number.

79175746745 is a deficient number, since it is larger than the sum of its proper divisors (15835149355).

79175746745 is a wasteful number, since it uses less digits than its factorization.

79175746745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835149354.

The product of its digits is 51861600, while the sum is 62.

The spelling of 79175746745 in words is "seventy-nine billion, one hundred seventy-five million, seven hundred forty-six thousand, seven hundred forty-five".