8278638670848 has 2112 divisors, whose sum is σ = 31219043950080. Its totient is φ = 1890985181184.

The previous prime is 8278638670847. The next prime is 8278638670873. The reversal of 8278638670848 is 8480768368728.

It is a self number, because there is not a number n which added to its sum of digits gives 8278638670848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278638670847) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 93018411988 + ... + 93018412076.

Almost surely, 2^{8278638670848} 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 8278638670848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15609521975040).

8278638670848 is an abundant number, since it is smaller than the sum of its proper divisors (22940405279232).

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

8278638670848 is a wasteful number, since it uses less digits than its factorization.

8278638670848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1387266048, while the sum is 75.

The spelling of 8278638670848 in words is "eight trillion, two hundred seventy-eight billion, six hundred thirty-eight million, six hundred seventy thousand, eight hundred forty-eight".