8217463805 has 32 divisors (see below), whose sum is σ = 10878416640. Its totient is φ = 5931256320.

The previous prime is 8217463769. The next prime is 8217463819. The reversal of 8217463805 is 5083647128.

8217463805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8217463805 - 2⁶ = 8217463741 is a prime.

It is a super-2 number, since 2×8217463805² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501035 + ... + 517175.

It is an arithmetic number, because the mean of its divisors is an integer number (339950520).

Almost surely, 2^8217463805 is an apocalyptic number.

It is an amenable number.

8217463805 is a deficient number, since it is larger than the sum of its proper divisors (2660952835).

8217463805 is a wasteful number, since it uses less digits than its factorization.

8217463805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16421.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 8217463805 is about 90650.2278265201. The cubic root of 8217463805 is about 2017.9602162809.

The spelling of 8217463805 in words is "eight billion, two hundred seventeen million, four hundred sixty-three thousand, eight hundred five".