79206871505 has 8 divisors (see below), whose sum is σ = 95073825600. Its totient is φ = 63348444016.

The previous prime is 79206871487. The next prime is 79206871507. The reversal of 79206871505 is 50517860297.

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

It is a cyclic number.

It is not a de Polignac number, because 79206871505 - 2¹⁴ = 79206855121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79206871507) 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, 2111195 + ... + 2148384.

It is an arithmetic number, because the mean of its divisors is an integer number (11884228200).

Almost surely, 2^79206871505 is an apocalyptic number.

It is an amenable number.

79206871505 is a deficient number, since it is larger than the sum of its proper divisors (15866954095).

79206871505 is a wasteful number, since it uses less digits than its factorization.

79206871505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263303.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 79206871505 in words is "seventy-nine billion, two hundred six million, eight hundred seventy-one thousand, five hundred five".