27772889104 has 45 divisors (see below), whose sum is σ = 54786779229. Its totient is φ = 13638799680.

The previous prime is 27772889093. The next prime is 27772889107. The reversal of 27772889104 is 40198827772.

The square root of 27772889104 is 166652.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 903122704 + 26869766400 = 30052^2 + 163920^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27772889107) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 40662747 + ... + 40663429.

Almost surely, 2^27772889104 is an apocalyptic number.

27772889104 is the 166652-nd square number.

It is an amenable number.

27772889104 is a deficient number, since it is larger than the sum of its proper divisors (27013890125).

27772889104 is an frugal number, since it uses more digits than its factorization.

27772889104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 27772889104 in words is "twenty-seven billion, seven hundred seventy-two million, eight hundred eighty-nine thousand, one hundred four".