8613356261904 has 135 divisors (see below), whose sum is σ = 24246905040813. Its totient is φ = 2854366618752.

The previous prime is 8613356261899. The next prime is 8613356261921. The reversal of 8613356261904 is 4091626533168.

The square root of 8613356261904 is 2934852.

It is a perfect power (a square), and thus also a powerful number.

8613356261904 is a `hidden beast` number, since 8 + 6 + 1 + 3 + 3 + 5 + 626 + 1 + 9 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8501586399504 + 111769862400 = 2915748^2 + 334320^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7008425962 + ... + 7008427190.

Almost surely, 2^{8613356261904} is an apocalyptic number.

8613356261904 is the 2934852-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8613356261904

8613356261904 is an abundant number, since it is smaller than the sum of its proper divisors (15633548778909).

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

8613356261904 is an equidigital number, since it uses as much as digits as its factorization.

8613356261904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 8613356261904 in words is "eight trillion, six hundred thirteen billion, three hundred fifty-six million, two hundred sixty-one thousand, nine hundred four".