28035504859 has 2 divisors, whose sum is σ = 28035504860. Its totient is φ = 28035504858.

The previous prime is 28035504851. The next prime is 28035504883. The reversal of 28035504859 is 95840553082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28035504859 - 2³ = 28035504851 is a prime.

It is not a weakly prime, because it can be changed into another prime (28035504851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14017752429 + 14017752430.

It is an arithmetic number, because the mean of its divisors is an integer number (14017752430).

Almost surely, 2^28035504859 is an apocalyptic number.

28035504859 is a deficient number, since it is larger than the sum of its proper divisors (1).

28035504859 is an equidigital number, since it uses as much as digits as its factorization.

28035504859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 28035504859 in words is "twenty-eight billion, thirty-five million, five hundred four thousand, eight hundred fifty-nine".