8620545213852 has 192 divisors, whose sum is σ = 24860359641600. Its totient is φ = 2288729963520.

The previous prime is 8620545213809. The next prime is 8620545213859. The reversal of 8620545213852 is 2583125450268.

It is a junction number, because it is equal to n+sod(n) for n = 8620545213795 and 8620545213804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8620545213859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1468038 + ... + 4404114.

It is an arithmetic number, because the mean of its divisors is an integer number (129481039800).

Almost surely, 2^{8620545213852} is an apocalyptic number.

It is a pronic number, being equal to 2936076×2936077.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8620545213852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12430179820800).

8620545213852 is an abundant number, since it is smaller than the sum of its proper divisors (16239814427748).

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

8620545213852 is a wasteful number, since it uses less digits than its factorization.

8620545213852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936196 (or 2936194 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 51.

The spelling of 8620545213852 in words is "eight trillion, six hundred twenty billion, five hundred forty-five million, two hundred thirteen thousand, eight hundred fifty-two".