28657605059 has 2 divisors, whose sum is σ = 28657605060. Its totient is φ = 28657605058.

The previous prime is 28657605043. The next prime is 28657605071. The reversal of 28657605059 is 95050675682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28657605059 - 2⁴ = 28657605043 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28657605059.

It is not a weakly prime, because it can be changed into another prime (28657605259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14328802529 + 14328802530.

It is an arithmetic number, because the mean of its divisors is an integer number (14328802530).

Almost surely, 2^28657605059 is an apocalyptic number.

28657605059 is a deficient number, since it is larger than the sum of its proper divisors (1).

28657605059 is an equidigital number, since it uses as much as digits as its factorization.

28657605059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 28657605059 in words is "twenty-eight billion, six hundred fifty-seven million, six hundred five thousand, fifty-nine".