8643907448 has 64 divisors (see below), whose sum is σ = 19000396800. Its totient is φ = 3642693120.

The previous prime is 8643907439. The next prime is 8643907453. The reversal of 8643907448 is 8447093468.

8643907448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8643907448.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57113 + ... + 143351.

It is an arithmetic number, because the mean of its divisors is an integer number (296881200).

Almost surely, 2^8643907448 is an apocalyptic number.

8643907448 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 8643907448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9500198400).

8643907448 is an abundant number, since it is smaller than the sum of its proper divisors (10356489352).

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

8643907448 is a wasteful number, since it uses less digits than its factorization.

8643907448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86340 (or 86336 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The square root of 8643907448 is about 92972.6166567339. The cubic root of 8643907448 is about 2052.2804246734.

The spelling of 8643907448 in words is "eight billion, six hundred forty-three million, nine hundred seven thousand, four hundred forty-eight".