817113227276 has 24 divisors (see below), whose sum is σ = 1439554117344. Its totient is φ = 405812563200.

The previous prime is 817113227261. The next prime is 817113227317. The reversal of 817113227276 is 672722311718.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 817113227276.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6968186 + ... + 7084478.

It is an arithmetic number, because the mean of its divisors is an integer number (59981421556).

Almost surely, 2^817113227276 is an apocalyptic number.

It is an amenable number.

817113227276 is a deficient number, since it is larger than the sum of its proper divisors (622440890068).

817113227276 is a wasteful number, since it uses less digits than its factorization.

817113227276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128081 (or 128079 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The spelling of 817113227276 in words is "eight hundred seventeen billion, one hundred thirteen million, two hundred twenty-seven thousand, two hundred seventy-six".