8622725758920 has 288 divisors, whose sum is σ = 35106812952120. Its totient is φ = 1819300331520.

The previous prime is 8622725758909. The next prime is 8622725758957. The reversal of 8622725758920 is 298575272268.

It is a happy number.

8622725758920 is a `hidden beast` number, since 8 + 6 + 2 + 2 + 7 + 25 + 7 + 589 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4712607089316 + 3910118669604 = 2170854^2 + 1977402^2 .

It is a super-3 number, since 3×8622725758920³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18571321 + ... + 19029960.

Almost surely, 2^{8622725758920} is an apocalyptic number.

It is an amenable number.

8622725758920 is an abundant number, since it is smaller than the sum of its proper divisors (26484087193200).

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

8622725758920 is a wasteful number, since it uses less digits than its factorization.

8622725758920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37601325 (or 37601311 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 8622725758920 in words is "eight trillion, six hundred twenty-two billion, seven hundred twenty-five million, seven hundred fifty-eight thousand, nine hundred twenty".