28687073263 has 2 divisors, whose sum is σ = 28687073264. Its totient is φ = 28687073262.

The previous prime is 28687073203. The next prime is 28687073341. The reversal of 28687073263 is 36237078682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28687073263 - 2¹⁷ = 28686942191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28687073263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28687073203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14343536631 + 14343536632.

It is an arithmetic number, because the mean of its divisors is an integer number (14343536632).

Almost surely, 2^28687073263 is an apocalyptic number.

28687073263 is a deficient number, since it is larger than the sum of its proper divisors (1).

28687073263 is an equidigital number, since it uses as much as digits as its factorization.

28687073263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 28687073263 in words is "twenty-eight billion, six hundred eighty-seven million, seventy-three thousand, two hundred sixty-three".