28933360487 has 2 divisors, whose sum is σ = 28933360488. Its totient is φ = 28933360486.

The previous prime is 28933360483. The next prime is 28933360583. The reversal of 28933360487 is 78406333982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28933360487 - 2² = 28933360483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28933360481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14466680243 + 14466680244.

It is an arithmetic number, because the mean of its divisors is an integer number (14466680244).

Almost surely, 2^28933360487 is an apocalyptic number.

28933360487 is a deficient number, since it is larger than the sum of its proper divisors (1).

28933360487 is an equidigital number, since it uses as much as digits as its factorization.

28933360487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 28933360487 in words is "twenty-eight billion, nine hundred thirty-three million, three hundred sixty thousand, four hundred eighty-seven".