27772228072 has 16 divisors (see below), whose sum is σ = 52089438240. Its totient is φ = 13881711216.

The previous prime is 27772228063. The next prime is 27772228087. The reversal of 27772228072 is 27082227772.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523468 + ... + 574075.

It is an arithmetic number, because the mean of its divisors is an integer number (3255589890).

Almost surely, 2^27772228072 is an apocalyptic number.

It is an amenable number.

27772228072 is a deficient number, since it is larger than the sum of its proper divisors (24317210168).

27772228072 is a wasteful number, since it uses less digits than its factorization.

27772228072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100712 (or 1100708 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 46.

The spelling of 27772228072 in words is "twenty-seven billion, seven hundred seventy-two million, two hundred twenty-eight thousand, seventy-two".