28657605071 has 2 divisors, whose sum is σ = 28657605072. Its totient is φ = 28657605070.

The previous prime is 28657605059. The next prime is 28657605077. The reversal of 28657605071 is 17050675682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28657605071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28657605077) 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, 14328802535 + 14328802536.

It is an arithmetic number, because the mean of its divisors is an integer number (14328802536).

Almost surely, 2^28657605071 is an apocalyptic number.

28657605071 is a deficient number, since it is larger than the sum of its proper divisors (1).

28657605071 is an equidigital number, since it uses as much as digits as its factorization.

28657605071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 28657605071 in words is "twenty-eight billion, six hundred fifty-seven million, six hundred five thousand, seventy-one".