8082947261 has 4 divisors (see below), whose sum is σ = 8085779292. Its totient is φ = 8080115232.

The previous prime is 8082947237. The next prime is 8082947311. The reversal of 8082947261 is 1627492808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7339348900 + 743598361 = 85670^2 + 27269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8082947261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8082943261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411730 + ... + 1417443.

It is an arithmetic number, because the mean of its divisors is an integer number (2021444823).

Almost surely, 2^8082947261 is an apocalyptic number.

It is an amenable number.

8082947261 is a deficient number, since it is larger than the sum of its proper divisors (2832031).

8082947261 is a wasteful number, since it uses less digits than its factorization.

8082947261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832030.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 8082947261 is about 89905.2126464311. The cubic root of 8082947261 is about 2006.8885186660. Note that the first 3 decimals are identical.

The spelling of 8082947261 in words is "eight billion, eighty-two million, nine hundred forty-seven thousand, two hundred sixty-one".