8465171872 has 24 divisors (see below), whose sum is σ = 16980259716. Its totient is φ = 4152724992.

The previous prime is 8465171867. The next prime is 8465171917. The reversal of 8465171872 is 2781715648.

It can be written as a sum of positive squares in 2 ways, for example, as 8455905936 + 9265936 = 91956^2 + 3044^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2493933 + ... + 2497324.

Almost surely, 2^8465171872 is an apocalyptic number.

It is an amenable number.

8465171872 is an abundant number, since it is smaller than the sum of its proper divisors (8515087844).

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

8465171872 is a wasteful number, since it uses less digits than its factorization.

8465171872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991320 (or 4991312 counting only the distinct ones).

The product of its digits is 752640, while the sum is 49.

The square root of 8465171872 is about 92006.3686491321. The cubic root of 8465171872 is about 2038.0363547231.

The spelling of 8465171872 in words is "eight billion, four hundred sixty-five million, one hundred seventy-one thousand, eight hundred seventy-two".