79065678189 has 8 divisors (see below), whose sum is σ = 105425565952. Its totient is φ = 52708121280.

The previous prime is 79065678187. The next prime is 79065678191. The reversal of 79065678189 is 98187656097.

It is an interprime number because it is at equal distance from previous prime (79065678187) and next prime (79065678191).

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

It is not a de Polignac number, because 79065678189 - 2¹ = 79065678187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79065678187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501964 + ... + 640389.

It is an arithmetic number, because the mean of its divisors is an integer number (13178195744).

Almost surely, 2^79065678189 is an apocalyptic number.

It is an amenable number.

79065678189 is a deficient number, since it is larger than the sum of its proper divisors (26359887763).

79065678189 is a wasteful number, since it uses less digits than its factorization.

79065678189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165427.

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 79065678189 in words is "seventy-nine billion, sixty-five million, six hundred seventy-eight thousand, one hundred eighty-nine".