8112228777 has 48 divisors (see below), whose sum is σ = 12639369600. Its totient is φ = 5001511680.

The previous prime is 8112228743. The next prime is 8112228781. The reversal of 8112228777 is 7778222118.

It is not a de Polignac number, because 8112228777 - 2²⁶ = 8045119913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8112228727) 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 47 ways as a sum of consecutive naturals, for example, 739549 + ... + 750437.

It is an arithmetic number, because the mean of its divisors is an integer number (263320200).

Almost surely, 2^8112228777 is an apocalyptic number.

It is an amenable number.

8112228777 is a deficient number, since it is larger than the sum of its proper divisors (4527140823).

8112228777 is a wasteful number, since it uses less digits than its factorization.

8112228777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038 (or 11035 counting only the distinct ones).

The product of its digits is 175616, while the sum is 45.

The square root of 8112228777 is about 90067.9120275362. The cubic root of 8112228777 is about 2009.3090020987.

The spelling of 8112228777 in words is "eight billion, one hundred twelve million, two hundred twenty-eight thousand, seven hundred seventy-seven".