79206871506 has 32 divisors (see below), whose sum is σ = 188915770368. Its totient is φ = 21646598160.

The previous prime is 79206871487. The next prime is 79206871507. The reversal of 79206871506 is 60517860297.

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 15 ways as a sum of consecutive naturals, for example, 40996380 + ... + 40998311.

It is an arithmetic number, because the mean of its divisors is an integer number (5903617824).

Almost surely, 2^79206871506 is an apocalyptic number.

79206871506 is an abundant number, since it is smaller than the sum of its proper divisors (109708898862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79206871506 is a wasteful number, since it uses less digits than its factorization.

79206871506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81994726.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 79206871506 in words is "seventy-nine billion, two hundred six million, eight hundred seventy-one thousand, five hundred six".