8112173236 has 12 divisors (see below), whose sum is σ = 14199014340. Its totient is φ = 4055312000.

The previous prime is 8112173183. The next prime is 8112173239. The reversal of 8112173236 is 6323712118.

It can be written as a sum of positive squares in 2 ways, for example, as 924524836 + 7187648400 = 30406^2 + 84780^2 .

It is a super-5 number, since 5×8112173236⁵ (a number of 51 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8112173239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169765 + ... + 212236.

It is an arithmetic number, because the mean of its divisors is an integer number (1183251195).

Almost surely, 2^8112173236 is an apocalyptic number.

It is an amenable number.

8112173236 is a deficient number, since it is larger than the sum of its proper divisors (6086841104).

8112173236 is a wasteful number, since it uses less digits than its factorization.

8112173236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387314 (or 387312 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 8112173236 is about 90067.6036985552. The cubic root of 8112173236 is about 2009.3044164586.

The spelling of 8112173236 in words is "eight billion, one hundred twelve million, one hundred seventy-three thousand, two hundred thirty-six".