8112993228 has 36 divisors (see below), whose sum is σ = 21399491568. Its totient is φ = 2586751200.

The previous prime is 8112993221. The next prime is 8112993233. The reversal of 8112993228 is 8223992118.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8112993221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4898323 + ... + 4899978.

Almost surely, 2^8112993228 is an apocalyptic number.

It is an amenable number.

8112993228 is an abundant number, since it is smaller than the sum of its proper divisors (13286498340).

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

8112993228 is a wasteful number, since it uses less digits than its factorization.

8112993228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798334 (or 9798329 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 8112993228 is about 90072.1556753251. The cubic root of 8112993228 is about 2009.3721154581.

The spelling of 8112993228 in words is "eight billion, one hundred twelve million, nine hundred ninety-three thousand, two hundred twenty-eight".