28360582517 has 2 divisors, whose sum is σ = 28360582518. Its totient is φ = 28360582516.

The previous prime is 28360582499. The next prime is 28360582553. The reversal of 28360582517 is 71528506382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28360580836 + 1681 = 168406^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 28360582517 - 2¹⁴ = 28360566133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28360582577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14180291258 + 14180291259.

It is an arithmetic number, because the mean of its divisors is an integer number (14180291259).

Almost surely, 2^28360582517 is an apocalyptic number.

It is an amenable number.

28360582517 is a deficient number, since it is larger than the sum of its proper divisors (1).

28360582517 is an equidigital number, since it uses as much as digits as its factorization.

28360582517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 28360582517 in words is "twenty-eight billion, three hundred sixty million, five hundred eighty-two thousand, five hundred seventeen".