8579372865 has 32 divisors (see below), whose sum is σ = 15694338816. Its totient is φ = 3920413440.

The previous prime is 8579372861. The next prime is 8579372909. The reversal of 8579372865 is 5682739758.

8579372865 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 8579372865 - 2² = 8579372861 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8579372799 and 8579372808.

It is not an unprimeable number, because it can be changed into a prime (8579372861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267595 + ... + 297935.

It is an arithmetic number, because the mean of its divisors is an integer number (490448088).

Almost surely, 2^8579372865 is an apocalyptic number.

It is an amenable number.

8579372865 is a deficient number, since it is larger than the sum of its proper divisors (7114965951).

8579372865 is a wasteful number, since it uses less digits than its factorization.

8579372865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33049.

The product of its digits is 25401600, while the sum is 60.

The square root of 8579372865 is about 92624.9041295050. The cubic root of 8579372865 is about 2047.1602851016.

The spelling of 8579372865 in words is "eight billion, five hundred seventy-nine million, three hundred seventy-two thousand, eight hundred sixty-five".