8513752320 has 576 divisors, whose sum is σ = 32830237440. Its totient is φ = 2080899072.

The previous prime is 8513752283. The next prime is 8513752369. The reversal of 8513752320 is 232573158.

It is a happy number.

8513752320 is a `hidden beast` number, since 8 + 51 + 375 + 232 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 25263192 + ... + 25263528.

It is an arithmetic number, because the mean of its divisors is an integer number (56996940).

Almost surely, 2^8513752320 is an apocalyptic number.

8513752320 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 8513752320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16415118720).

8513752320 is an abundant number, since it is smaller than the sum of its proper divisors (24316485120).

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

8513752320 is a wasteful number, since it uses less digits than its factorization.

8513752320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 8513752320 is about 92269.9968570499. The cubic root of 8513752320 is about 2041.9275898173.

The spelling of 8513752320 in words is "eight billion, five hundred thirteen million, seven hundred fifty-two thousand, three hundred twenty".