3894278158848 has 320 divisors, whose sum is σ = 13027676175360. Its totient is φ = 1004219596800.

The previous prime is 3894278158843. The next prime is 3894278158907. The reversal of 3894278158848 is 8488518724983.

It is a self number, because there is not a number n which added to its sum of digits gives 3894278158848.

It is not an unprimeable number, because it can be changed into a prime (3894278158843) 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 31 ways as a sum of consecutive naturals, for example, 16321368 + ... + 16558248.

It is an arithmetic number, because the mean of its divisors is an integer number (40711488048).

Almost surely, 2^{3894278158848} 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 3894278158848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6513838087680).

3894278158848 is an abundant number, since it is smaller than the sum of its proper divisors (9133398016512).

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

3894278158848 is a wasteful number, since it uses less digits than its factorization.

3894278158848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237059 (or 237043 counting only the distinct ones).

The product of its digits is 990904320, while the sum is 75.

The spelling of 3894278158848 in words is "three trillion, eight hundred ninety-four billion, two hundred seventy-eight million, one hundred fifty-eight thousand, eight hundred forty-eight".