8649871296 has 224 divisors, whose sum is σ = 27190598400. Its totient is φ = 2397265920.

The previous prime is 8649871289. The next prime is 8649871313. The reversal of 8649871296 is 6921789468.

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 31 ways as a sum of consecutive naturals, for example, 1159996 + ... + 1167428.

It is an arithmetic number, because the mean of its divisors is an integer number (121386600).

Almost surely, 2^8649871296 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 8649871296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13595299200).

8649871296 is an abundant number, since it is smaller than the sum of its proper divisors (18540727104).

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

8649871296 is a wasteful number, since it uses less digits than its factorization.

8649871296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507 (or 7497 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The square root of 8649871296 is about 93004.6842691270. The cubic root of 8649871296 is about 2052.7523051969.

The spelling of 8649871296 in words is "eight billion, six hundred forty-nine million, eight hundred seventy-one thousand, two hundred ninety-six".