8389528764 has 96 divisors (see below), whose sum is σ = 21279283200. Its totient is φ = 2562481152.

The previous prime is 8389528759. The next prime is 8389528789. The reversal of 8389528764 is 4678259838.

It is a junction number, because it is equal to n+sod(n) for n = 8389528698 and 8389528707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1905814 + ... + 1910210.

It is an arithmetic number, because the mean of its divisors is an integer number (221659200).

Almost surely, 2^8389528764 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 8389528764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10639641600).

8389528764 is an abundant number, since it is smaller than the sum of its proper divisors (12889754436).

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

8389528764 is a wasteful number, since it uses less digits than its factorization.

8389528764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4665 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The square root of 8389528764 is about 91594.3708095645. The cubic root of 8389528764 is about 2031.9476857256.

The spelling of 8389528764 in words is "eight billion, three hundred eighty-nine million, five hundred twenty-eight thousand, seven hundred sixty-four".