8638783248 has 80 divisors (see below), whose sum is σ = 22858981376. Its totient is φ = 2809779840.

The previous prime is 8638783243. The next prime is 8638783267. The reversal of 8638783248 is 8423878368.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8638783243) 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, 3232953 + ... + 3235623.

Almost surely, 2^8638783248 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 8638783248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11429490688).

8638783248 is an abundant number, since it is smaller than the sum of its proper divisors (14220198128).

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

8638783248 is a wasteful number, since it uses less digits than its factorization.

8638783248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292 (or 4286 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 57.

The square root of 8638783248 is about 92945.0549948732. The cubic root of 8638783248 is about 2051.8748066449.

The spelling of 8638783248 in words is "eight billion, six hundred thirty-eight million, seven hundred eighty-three thousand, two hundred forty-eight".