8278444368 has 60 divisors (see below), whose sum is σ = 23494487328. Its totient is φ = 2720612160.

The previous prime is 8278444351. The next prime is 8278444411. The reversal of 8278444368 is 8634448728.

It is a happy number.

8278444368 is a `hidden beast` number, since 8 + 278 + 4 + 4 + 4 + 368 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 394630 + ... + 415077.

Almost surely, 2^8278444368 is an apocalyptic number.

It is an amenable number.

8278444368 is an abundant number, since it is smaller than the sum of its proper divisors (15216042960).

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

8278444368 is a wasteful number, since it uses less digits than its factorization.

8278444368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809792 (or 809783 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 54.

The square root of 8278444368 is about 90985.9569823827. The cubic root of 8278444368 is about 2022.9395792385.

The spelling of 8278444368 in words is "eight billion, two hundred seventy-eight million, four hundred forty-four thousand, three hundred sixty-eight".