8273343261 has 16 divisors (see below), whose sum is σ = 11660313600. Its totient is φ = 5203397808.

The previous prime is 8273343217. The next prime is 8273343269. The reversal of 8273343261 is 1623433728.

It is not a de Polignac number, because 8273343261 - 2¹⁹ = 8272818973 is a prime.

It is a super-2 number, since 2×8273343261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8273343269) by changing a digit.

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, 290031 + ... + 317276.

It is an arithmetic number, because the mean of its divisors is an integer number (728769600).

Almost surely, 2^8273343261 is an apocalyptic number.

It is an amenable number.

8273343261 is a deficient number, since it is larger than the sum of its proper divisors (3386970339).

8273343261 is a wasteful number, since it uses less digits than its factorization.

8273343261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607568.

The product of its digits is 145152, while the sum is 39.

The square root of 8273343261 is about 90957.9202763564. The cubic root of 8273343261 is about 2022.5239878119.

Adding to 8273343261 its reverse (1623433728), we get a palindrome (9896776989).

The spelling of 8273343261 in words is "eight billion, two hundred seventy-three million, three hundred forty-three thousand, two hundred sixty-one".