28287017071 has 2 divisors, whose sum is σ = 28287017072. Its totient is φ = 28287017070.

The previous prime is 28287017041. The next prime is 28287017081. The reversal of 28287017071 is 17071078282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28287017071 - 2⁵ = 28287017039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28287017041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14143508535 + 14143508536.

It is an arithmetic number, because the mean of its divisors is an integer number (14143508536).

Almost surely, 2^28287017071 is an apocalyptic number.

28287017071 is a deficient number, since it is larger than the sum of its proper divisors (1).

28287017071 is an equidigital number, since it uses as much as digits as its factorization.

28287017071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 43.

The spelling of 28287017071 in words is "twenty-eight billion, two hundred eighty-seven million, seventeen thousand, seventy-one".