8065530287 has 2 divisors, whose sum is σ = 8065530288. Its totient is φ = 8065530286.

The previous prime is 8065530259. The next prime is 8065530289. The reversal of 8065530287 is 7820355608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8065530287 is a prime.

Together with 8065530289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8065530289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032765143 + 4032765144.

It is an arithmetic number, because the mean of its divisors is an integer number (4032765144).

Almost surely, 2^8065530287 is an apocalyptic number.

8065530287 is a deficient number, since it is larger than the sum of its proper divisors (1).

8065530287 is an equidigital number, since it uses as much as digits as its factorization.

8065530287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 8065530287 is about 89808.2974284670. The cubic root of 8065530287 is about 2005.4460142541.

The spelling of 8065530287 in words is "eight billion, sixty-five million, five hundred thirty thousand, two hundred eighty-seven".