8611873268 has 12 divisors (see below), whose sum is σ = 15075366852. Its totient is φ = 4304625600.

The previous prime is 8611873267. The next prime is 8611873271. The reversal of 8611873268 is 8623781168.

It can be written as a sum of positive squares in 2 ways, for example, as 1364415844 + 7247457424 = 36938^2 + 85132^2 .

It is a super-2 number, since 2×8611873268² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8611873261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312905 + ... + 339312.

It is an arithmetic number, because the mean of its divisors is an integer number (1256280571).

Almost surely, 2^8611873268 is an apocalyptic number.

It is an amenable number.

8611873268 is a deficient number, since it is larger than the sum of its proper divisors (6463493584).

8611873268 is a wasteful number, since it uses less digits than its factorization.

8611873268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655522 (or 655520 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 8611873268 is about 92800.1792455165. The cubic root of 8611873268 is about 2049.7420470988.

The spelling of 8611873268 in words is "eight billion, six hundred eleven million, eight hundred seventy-three thousand, two hundred sixty-eight".