8719444328 has 64 divisors (see below), whose sum is σ = 19024848000. Its totient is φ = 3669000192.

The previous prime is 8719444319. The next prime is 8719444399. The reversal of 8719444328 is 8234449178.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4654400 + ... + 4656272.

It is an arithmetic number, because the mean of its divisors is an integer number (297263250).

Almost surely, 2^8719444328 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 8719444328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9512424000).

8719444328 is an abundant number, since it is smaller than the sum of its proper divisors (10305403672).

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

8719444328 is a wasteful number, since it uses less digits than its factorization.

8719444328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3350 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 8719444328 is about 93377.9648953649. The cubic root of 8719444328 is about 2058.2412115986.

The spelling of 8719444328 in words is "eight billion, seven hundred nineteen million, four hundred forty-four thousand, three hundred twenty-eight".