8992397520 has 320 divisors, whose sum is σ = 34524576000. Its totient is φ = 2137964544.

The previous prime is 8992397483. The next prime is 8992397521. The reversal of 8992397520 is 257932998.

8992397520 is a `hidden beast` number, since 8 + 9 + 9 + 23 + 97 + 520 = 666.

8992397520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8992397521) 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 63 ways as a sum of consecutive naturals, for example, 691236 + ... + 704124.

It is an arithmetic number, because the mean of its divisors is an integer number (107889300).

Almost surely, 2^8992397520 is an apocalyptic number.

8992397520 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 8992397520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17262288000).

8992397520 is an abundant number, since it is smaller than the sum of its proper divisors (25532178480).

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

8992397520 is a wasteful number, since it uses less digits than its factorization.

8992397520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12947 (or 12935 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 8992397520 is about 94828.2527520148. The cubic root of 8992397520 is about 2079.4979619224.

The spelling of 8992397520 in words is "eight billion, nine hundred ninety-two million, three hundred ninety-seven thousand, five hundred twenty".