8533993920 has 112 divisors (see below), whose sum is σ = 27258190848. Its totient is φ = 2262062080.

The previous prime is 8533993907. The next prime is 8533993927. The reversal of 8533993920 is 293993358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8533993927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133705 + ... + 186935.

It is an arithmetic number, because the mean of its divisors is an integer number (243376704).

Almost surely, 2^8533993920 is an apocalyptic number.

8533993920 is a gapful number since it is divisible by the number (80) 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 8533993920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13629095424).

8533993920 is an abundant number, since it is smaller than the sum of its proper divisors (18724196928).

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

8533993920 is a wasteful number, since it uses less digits than its factorization.

8533993920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53418 (or 53408 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 51.

The square root of 8533993920 is about 92379.6185313622. The cubic root of 8533993920 is about 2043.5445489590.

The spelling of 8533993920 in words is "eight billion, five hundred thirty-three million, nine hundred ninety-three thousand, nine hundred twenty".