8081827273 has 8 divisors (see below), whose sum is σ = 8739623816. Its totient is φ = 7429190400.

The previous prime is 8081827249. The next prime is 8081827301. The reversal of 8081827273 is 3727281808.

It can be written as a sum of positive squares in 4 ways, for example, as 1071449289 + 7010377984 = 32733^2 + 83728^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8081827273 - 2²¹ = 8079730121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8081827573) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1286658 + ... + 1292923.

It is an arithmetic number, because the mean of its divisors is an integer number (1092452977).

Almost surely, 2^8081827273 is an apocalyptic number.

It is an amenable number.

8081827273 is a deficient number, since it is larger than the sum of its proper divisors (657796543).

8081827273 is a wasteful number, since it uses less digits than its factorization.

8081827273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579835.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 8081827273 is about 89898.9837150565. The cubic root of 8081827273 is about 2006.7958216662.

The spelling of 8081827273 in words is "eight billion, eighty-one million, eight hundred twenty-seven thousand, two hundred seventy-three".