8620930656 has 576 divisors, whose sum is σ = 30281610240. Its totient is φ = 2372198400.

The previous prime is 8620930651. The next prime is 8620930687. The reversal of 8620930656 is 6560390268.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8620930651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57092181 + ... + 57092331.

It is an arithmetic number, because the mean of its divisors is an integer number (52572240).

Almost surely, 2^8620930656 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 8620930656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15140805120).

8620930656 is an abundant number, since it is smaller than the sum of its proper divisors (21660679584).

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

8620930656 is a wasteful number, since it uses less digits than its factorization.

8620930656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 8620930656 is about 92848.9669086307. The cubic root of 8620930656 is about 2050.4603888448.

The spelling of 8620930656 in words is "eight billion, six hundred twenty million, nine hundred thirty thousand, six hundred fifty-six".