8620520832 has 384 divisors, whose sum is σ = 31174790400. Its totient is φ = 2221240320.

The previous prime is 8620520809. The next prime is 8620520849. The reversal of 8620520832 is 2380250268.

8620520832 is a `hidden beast` number, since 8 + 620 + 5 + 20 + 8 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13926219 + ... + 13926837.

It is an arithmetic number, because the mean of its divisors is an integer number (81184350).

Almost surely, 2^8620520832 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 8620520832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15587395200).

8620520832 is an abundant number, since it is smaller than the sum of its proper divisors (22554269568).

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

8620520832 is a wasteful number, since it uses less digits than its factorization.

8620520832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 8620520832 is about 92846.7599434681. The cubic root of 8620520832 is about 2050.4278965603.

The spelling of 8620520832 in words is "eight billion, six hundred twenty million, five hundred twenty thousand, eight hundred thirty-two".