8179238144 has 144 divisors (see below), whose sum is σ = 20741857920. Its totient is φ = 3126190080.

The previous prime is 8179238143. The next prime is 8179238149. The reversal of 8179238144 is 4418329718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8179238143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040822 + ... + 1048650.

It is an arithmetic number, because the mean of its divisors is an integer number (144040680).

Almost surely, 2^8179238144 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 8179238144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10370928960).

8179238144 is an abundant number, since it is smaller than the sum of its proper divisors (12562619776).

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

8179238144 is a wasteful number, since it uses less digits than its factorization.

8179238144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916 (or 7902 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 8179238144 is about 90439.1405531919. The cubic root of 8179238144 is about 2014.8263303701.

The spelling of 8179238144 in words is "eight billion, one hundred seventy-nine million, two hundred thirty-eight thousand, one hundred forty-four".