8669726448 has 80 divisors (see below), whose sum is σ = 23898708480. Its totient is φ = 2700283392.

The previous prime is 8669726441. The next prime is 8669726449. The reversal of 8669726448 is 8446279668.

It is a junction number, because it is equal to n+sod(n) for n = 8669726391 and 8669726400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669726441) 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, 1465 + ... + 131687.

It is an arithmetic number, because the mean of its divisors is an integer number (298733856).

Almost surely, 2^8669726448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8669726448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11949354240).

8669726448 is an abundant number, since it is smaller than the sum of its proper divisors (15228982032).

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

8669726448 is a wasteful number, since it uses less digits than its factorization.

8669726448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130326 (or 130320 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 60.

The square root of 8669726448 is about 93111.3658368300. The cubic root of 8669726448 is about 2054.3217529531.

The spelling of 8669726448 in words is "eight billion, six hundred sixty-nine million, seven hundred twenty-six thousand, four hundred forty-eight".