28099085659 has 2 divisors, whose sum is σ = 28099085660. Its totient is φ = 28099085658.

The previous prime is 28099085653. The next prime is 28099085701. The reversal of 28099085659 is 95658099082.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28099085659 is a prime.

It is a super-2 number, since 2×28099085659² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28099085597 and 28099085606.

It is not a weakly prime, because it can be changed into another prime (28099085653) 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, 14049542829 + 14049542830.

It is an arithmetic number, because the mean of its divisors is an integer number (14049542830).

Almost surely, 2^28099085659 is an apocalyptic number.

28099085659 is a deficient number, since it is larger than the sum of its proper divisors (1).

28099085659 is an equidigital number, since it uses as much as digits as its factorization.

28099085659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 61.

The spelling of 28099085659 in words is "twenty-eight billion, ninety-nine million, eighty-five thousand, six hundred fifty-nine".