812479653347326 has 32 divisors (see below), whose sum is σ = 1220423277427200. Its totient is φ = 405672365550816.

The previous prime is 812479653347293. The next prime is 812479653347333. The reversal of 812479653347326 is 623743356974218.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56394776815 + ... + 56394791221.

It is an arithmetic number, because the mean of its divisors is an integer number (38138227419600).

Almost surely, 2^{812479653347326} is an apocalyptic number.

812479653347326 is a deficient number, since it is larger than the sum of its proper divisors (407943624079874).

812479653347326 is a wasteful number, since it uses less digits than its factorization.

812479653347326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28168.

The product of its digits is 1097349120, while the sum is 70.

The spelling of 812479653347326 in words is "eight hundred twelve trillion, four hundred seventy-nine billion, six hundred fifty-three million, three hundred forty-seven thousand, three hundred twenty-six".