28809000659 has 2 divisors, whose sum is σ = 28809000660. Its totient is φ = 28809000658.

The previous prime is 28809000653. The next prime is 28809000721. The reversal of 28809000659 is 95600090882.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28809000659 is a prime.

It is not a weakly prime, because it can be changed into another prime (28809000653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14404500329 + 14404500330.

It is an arithmetic number, because the mean of its divisors is an integer number (14404500330).

Almost surely, 2^28809000659 is an apocalyptic number.

28809000659 is a deficient number, since it is larger than the sum of its proper divisors (1).

28809000659 is an equidigital number, since it uses as much as digits as its factorization.

28809000659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 28809000659 in words is "twenty-eight billion, eight hundred nine million, six hundred fifty-nine", and thus it is an aban number.