8039819136 has 64 divisors (see below), whose sum is σ = 21432056400. Its totient is φ = 2670366720.

The previous prime is 8039819113. The next prime is 8039819149. The reversal of 8039819136 is 6319189308.

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 a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 70650 + ... + 145158.

Almost surely, 2^8039819136 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 8039819136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10716028200).

8039819136 is an abundant number, since it is smaller than the sum of its proper divisors (13392237264).

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

8039819136 is a wasteful number, since it uses less digits than its factorization.

8039819136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74807 (or 74795 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 8039819136 is about 89665.0385378828. The cubic root of 8039819136 is about 2003.3127710776.

The spelling of 8039819136 in words is "eight billion, thirty-nine million, eight hundred nineteen thousand, one hundred thirty-six".