8278184064 has 64 divisors (see below), whose sum is σ = 22040151840. Its totient is φ = 2752966656.

The previous prime is 8278184041. The next prime is 8278184069. The reversal of 8278184064 is 4604818728.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (8278184069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141379 + ... + 191165.

Almost surely, 2^8278184064 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 8278184064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11020075920).

8278184064 is an abundant number, since it is smaller than the sum of its proper divisors (13761967776).

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

8278184064 is a wasteful number, since it uses less digits than its factorization.

8278184064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50237 (or 50225 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 8278184064 is about 90984.5265086322. The cubic root of 8278184064 is about 2022.9183761896.

The spelling of 8278184064 in words is "eight billion, two hundred seventy-eight million, one hundred eighty-four thousand, sixty-four".