28716805063187 has 2 divisors, whose sum is σ = 28716805063188. Its totient is φ = 28716805063186.

The previous prime is 28716805063157. The next prime is 28716805063207. The reversal of 28716805063187 is 78136050861782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28716805063187 - 2¹⁸ = 28716804801043 is a prime.

It is not a weakly prime, because it can be changed into another prime (28716805063157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14358402531593 + 14358402531594.

It is an arithmetic number, because the mean of its divisors is an integer number (14358402531594).

Almost surely, 2^{28716805063187} is an apocalyptic number.

28716805063187 is a deficient number, since it is larger than the sum of its proper divisors (1).

28716805063187 is an equidigital number, since it uses as much as digits as its factorization.

28716805063187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 28716805063187 in words is "twenty-eight trillion, seven hundred sixteen billion, eight hundred five million, sixty-three thousand, one hundred eighty-seven".