79512146806 has 4 divisors (see below), whose sum is σ = 119268220212. Its totient is φ = 39756073402.

The previous prime is 79512146783. The next prime is 79512146863. The reversal of 79512146806 is 60864121597.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60864121597 = 163 ⋅373399519.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 79512146806.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19878036700 + ... + 19878036703.

It is an arithmetic number, because the mean of its divisors is an integer number (29817055053).

Almost surely, 2^79512146806 is an apocalyptic number.

79512146806 is a deficient number, since it is larger than the sum of its proper divisors (39756073406).

79512146806 is a wasteful number, since it uses less digits than its factorization.

79512146806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39756073405.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 79512146806 in words is "seventy-nine billion, five hundred twelve million, one hundred forty-six thousand, eight hundred six".