27772227752 has 64 divisors (see below), whose sum is σ = 55837900800. Its totient is φ = 12903654400.

The previous prime is 27772227731. The next prime is 27772227823. The reversal of 27772227752 is 25772227772.

It is a self number, because there is not a number n which added to its sum of digits gives 27772227752.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5258249 + ... + 5263527.

It is an arithmetic number, because the mean of its divisors is an integer number (872467200).

Almost surely, 2^27772227752 is an apocalyptic number.

It is an amenable number.

27772227752 is an abundant number, since it is smaller than the sum of its proper divisors (28065673048).

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

27772227752 is a wasteful number, since it uses less digits than its factorization.

27772227752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786 (or 5782 counting only the distinct ones).

The product of its digits is 2689120, while the sum is 50.

The spelling of 27772227752 in words is "twenty-seven billion, seven hundred seventy-two million, two hundred twenty-seven thousand, seven hundred fifty-two".