8669394448 has 90 divisors (see below), whose sum is σ = 19992979482. Its totient is φ = 3637370880.

The previous prime is 8669394427. The next prime is 8669394479. The reversal of 8669394448 is 8444939668.

It can be written as a sum of positive squares in 3 ways, for example, as 517471504 + 8151922944 = 22748^2 + 90288^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 313936 + ... + 340432.

Almost surely, 2^8669394448 is an apocalyptic number.

8669394448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8669394448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9996489741).

8669394448 is an abundant number, since it is smaller than the sum of its proper divisors (11323585034).

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

8669394448 is a wasteful number, since it uses less digits than its factorization.

8669394448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26553 (or 26523 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 61.

The square root of 8669394448 is about 93109.5830084100. The cubic root of 8669394448 is about 2054.2955297679.

The spelling of 8669394448 in words is "eight billion, six hundred sixty-nine million, three hundred ninety-four thousand, four hundred forty-eight".