808814671217 has 16 divisors (see below), whose sum is σ = 978867171072. Its totient is φ = 652400179200.

The previous prime is 808814671213. The next prime is 808814671253. The reversal of 808814671217 is 712176418808.

808814671217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 808814671217 - 2² = 808814671213 is a prime.

It is a super-3 number, since 3×808814671217³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (808814671213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420092 + ... + 1339442.

It is an arithmetic number, because the mean of its divisors is an integer number (61179198192).

Almost surely, 2^808814671217 is an apocalyptic number.

It is an amenable number.

808814671217 is a deficient number, since it is larger than the sum of its proper divisors (170052499855).

808814671217 is a wasteful number, since it uses less digits than its factorization.

808814671217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926768.

The product of its (nonzero) digits is 1204224, while the sum is 53.

The spelling of 808814671217 in words is "eight hundred eight billion, eight hundred fourteen million, six hundred seventy-one thousand, two hundred seventeen".