79179440188 has 12 divisors (see below), whose sum is σ = 144588543120. Its totient is φ = 37868427872.

The previous prime is 79179440143. The next prime is 79179440189. The reversal of 79179440188 is 88104497197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79179440189) 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, 430322953 + ... + 430323136.

It is an arithmetic number, because the mean of its divisors is an integer number (12049045260).

Almost surely, 2^79179440188 is an apocalyptic number.

It is an amenable number.

79179440188 is a deficient number, since it is larger than the sum of its proper divisors (65409102932).

79179440188 is a wasteful number, since it uses less digits than its factorization.

79179440188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860646116 (or 860646114 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 79179440188 in words is "seventy-nine billion, one hundred seventy-nine million, four hundred forty thousand, one hundred eighty-eight".