8365544872 has 16 divisors (see below), whose sum is σ = 15689086560. Its totient is φ = 4181788464.

The previous prime is 8365544833. The next prime is 8365544879. The reversal of 8365544872 is 2784455638.

It is not an unprimeable number, because it can be changed into a prime (8365544879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86218 + ... + 155449.

It is an arithmetic number, because the mean of its divisors is an integer number (980567910).

Almost surely, 2^8365544872 is an apocalyptic number.

It is an amenable number.

8365544872 is a deficient number, since it is larger than the sum of its proper divisors (7323541688).

8365544872 is a wasteful number, since it uses less digits than its factorization.

8365544872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246000 (or 245996 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 52.

The square root of 8365544872 is about 91463.3526173188. The cubic root of 8365544872 is about 2030.0095344420.

The spelling of 8365544872 in words is "eight billion, three hundred sixty-five million, five hundred forty-four thousand, eight hundred seventy-two".