27772307228 has 6 divisors (see below), whose sum is σ = 48601537656. Its totient is φ = 13886153612.

The previous prime is 27772307221. The next prime is 27772307231. The reversal of 27772307228 is 82270327772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27772307221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471538400 + ... + 3471538407.

It is an arithmetic number, because the mean of its divisors is an integer number (8100256276).

Almost surely, 2^27772307228 is an apocalyptic number.

It is an amenable number.

27772307228 is a deficient number, since it is larger than the sum of its proper divisors (20829230428).

27772307228 is a wasteful number, since it uses less digits than its factorization.

27772307228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943076811 (or 6943076809 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 47.

The spelling of 27772307228 in words is "twenty-seven billion, seven hundred seventy-two million, three hundred seven thousand, two hundred twenty-eight".