8083628281 has 3 divisors (see below), whose sum is σ = 8083718191. Its totient is φ = 8083538372.

The previous prime is 8083628279. The next prime is 8083628303. The reversal of 8083628281 is 1828263808.

It is a happy number.

The square root of 8083628281 is 89909.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1030987881 + 7052640400 = 32109^2 + 83980^2 .

It is not a de Polignac number, because 8083628281 - 2¹ = 8083628279 is a prime.

It is a super-2 number, since 2×8083628281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8083628221) 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 2 ways as a sum of consecutive naturals, for example, 44955 + ... + 134863.

Almost surely, 2^8083628281 is an apocalyptic number.

8083628281 is the 89909-th square number.

8083628281 is the 44955-th centered octagonal number.

It is an amenable number.

8083628281 is a deficient number, since it is larger than the sum of its proper divisors (89910).

8083628281 is an frugal number, since it uses more digits than its factorization.

8083628281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179818 (or 89909 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The cubic root of 8083628281 is about 2006.9448798254.

The spelling of 8083628281 in words is "eight billion, eighty-three million, six hundred twenty-eight thousand, two hundred eighty-one".