8468444865 has 64 divisors (see below), whose sum is σ = 14424076800. Its totient is φ = 4233461760.

The previous prime is 8468444851. The next prime is 8468444867. The reversal of 8468444865 is 5684448648.

It is not a de Polignac number, because 8468444865 - 2⁴ = 8468444849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8468444867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7344129 + ... + 7345281.

It is an arithmetic number, because the mean of its divisors is an integer number (225376200).

Almost surely, 2^8468444865 is an apocalyptic number.

It is an amenable number.

8468444865 is a deficient number, since it is larger than the sum of its proper divisors (5955631935).

8468444865 is a wasteful number, since it uses less digits than its factorization.

8468444865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its digits is 23592960, while the sum is 57.

The square root of 8468444865 is about 92024.1537043400. The cubic root of 8468444865 is about 2038.2989845240.

The spelling of 8468444865 in words is "eight billion, four hundred sixty-eight million, four hundred forty-four thousand, eight hundred sixty-five".