276027296689 has 9 divisors (see below), whose sum is σ = 277026494187. Its totient is φ = 275031695904.

The previous prime is 276027296669. The next prime is 276027296801. The reversal of 276027296689 is 986692720672.

The square root of 276027296689 is 525383.

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., 74433480625 + 201593816064 = 272825^2 + 448992^2 .

It is not a de Polignac number, because 276027296689 - 2³⁷ = 138588343217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 276027296689.

It is not an unprimeable number, because it can be changed into a prime (276027296669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 177053292 + ... + 177054850.

Almost surely, 2^276027296689 is an apocalyptic number.

276027296689 is the 525383-rd square number.

276027296689 is the 262692-nd centered octagonal number.

It is an amenable number.

276027296689 is a deficient number, since it is larger than the sum of its proper divisors (999197498).

276027296689 is an frugal number, since it uses more digits than its factorization.

276027296689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 64.

Multiplying 276027296689 by its sum of digits (64), we get a square (17665746988096 = 4203064²).

The spelling of 276027296689 in words is "two hundred seventy-six billion, twenty-seven million, two hundred ninety-six thousand, six hundred eighty-nine".