8278628544 has 112 divisors (see below), whose sum is σ = 24368150400. Its totient is φ = 2756083968.

The previous prime is 8278628467. The next prime is 8278628549. The reversal of 8278628544 is 4458268728.

8278628544 is a `hidden beast` number, since 8 + 2 + 7 + 8 + 628 + 5 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8278628549) 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 15 ways as a sum of consecutive naturals, for example, 1633887 + ... + 1638945.

Almost surely, 2^8278628544 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 8278628544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12184075200).

8278628544 is an abundant number, since it is smaller than the sum of its proper divisors (16089521856).

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

8278628544 is a wasteful number, since it uses less digits than its factorization.

8278628544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027 (or 6011 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 54.

The square root of 8278628544 is about 90986.9690889855. The cubic root of 8278628544 is about 2022.9545810166.

The spelling of 8278628544 in words is "eight billion, two hundred seventy-eight million, six hundred twenty-eight thousand, five hundred forty-four".