8725444851 has 16 divisors (see below), whose sum is σ = 11789775360. Its totient is φ = 5739146400.

The previous prime is 8725444823. The next prime is 8725444867. The reversal of 8725444851 is 1584445278.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-8725444851 is a prime.

It is a super-2 number, since 2×8725444851² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8725444851.

It is not an unprimeable number, because it can be changed into a prime (8725444801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331201 + ... + 356573.

It is an arithmetic number, because the mean of its divisors is an integer number (736860960).

Almost surely, 2^8725444851 is an apocalyptic number.

8725444851 is a deficient number, since it is larger than the sum of its proper divisors (3064330509).

8725444851 is a wasteful number, since it uses less digits than its factorization.

8725444851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26906.

The product of its digits is 1433600, while the sum is 48.

The square root of 8725444851 is about 93410.0896638045. The cubic root of 8725444851 is about 2058.7132482419.

The spelling of 8725444851 in words is "eight billion, seven hundred twenty-five million, four hundred forty-four thousand, eight hundred fifty-one".