8848643778 has 48 divisors (see below), whose sum is σ = 20895638400. Its totient is φ = 2689850592.

The previous prime is 8848643777. The next prime is 8848643819. The reversal of 8848643778 is 8773468488.

8848643778 is a `hidden beast` number, since 88 + 486 + 4 + 3 + 7 + 78 = 666.

8848643778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8848643778² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8848643777) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 208378 + ... + 247221.

It is an arithmetic number, because the mean of its divisors is an integer number (435325800).

Almost surely, 2^8848643778 is an apocalyptic number.

8848643778 is an abundant number, since it is smaller than the sum of its proper divisors (12046994622).

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

8848643778 is a wasteful number, since it uses less digits than its factorization.

8848643778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455703 (or 455700 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 63.

The square root of 8848643778 is about 94067.2300963518. The cubic root of 8848643778 is about 2068.3573343350.

The spelling of 8848643778 in words is "eight billion, eight hundred forty-eight million, six hundred forty-three thousand, seven hundred seventy-eight".