8119559844 has 72 divisors (see below), whose sum is σ = 22479780960. Its totient is φ = 2450640000.

The previous prime is 8119559827. The next prime is 8119559923. The reversal of 8119559844 is 4489559118.

8119559844 is a `hidden beast` number, since 8 + 1 + 1 + 9 + 5 + 598 + 44 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58552 + ... + 140240.

It is an arithmetic number, because the mean of its divisors is an integer number (312219180).

Almost surely, 2^8119559844 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 8119559844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11239890480).

8119559844 is an abundant number, since it is smaller than the sum of its proper divisors (14360221116).

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

8119559844 is a wasteful number, since it uses less digits than its factorization.

8119559844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81961 (or 81956 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The square root of 8119559844 is about 90108.6002776650. The cubic root of 8119559844 is about 2009.9140944944.

The spelling of 8119559844 in words is "eight billion, one hundred nineteen million, five hundred fifty-nine thousand, eight hundred forty-four".