8528020992 has 120 divisors (see below), whose sum is σ = 25213308120. Its totient is φ = 2773278720.

The previous prime is 8528020927. The next prime is 8528020993. The reversal of 8528020992 is 2990208258.

8528020992 is a `hidden beast` number, since 85 + 280 + 209 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8528020993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166359 + ... + 211497.

It is an arithmetic number, because the mean of its divisors is an integer number (210110901).

Almost surely, 2^8528020992 is an apocalyptic number.

8528020992 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8528020992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12606654060).

8528020992 is an abundant number, since it is smaller than the sum of its proper divisors (16685287128).

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

8528020992 is a wasteful number, since it uses less digits than its factorization.

8528020992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45204 (or 45185 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 8528020992 is about 92347.2847029083. The cubic root of 8528020992 is about 2043.0676798901.

The spelling of 8528020992 in words is "eight billion, five hundred twenty-eight million, twenty thousand, nine hundred ninety-two".