28771335534859 has 4 divisors (see below), whose sum is σ = 28776670481016. Its totient is φ = 28766000588704.

The previous prime is 28771335534857. The next prime is 28771335534863. The reversal of 28771335534859 is 95843553317782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28771335534859 - 2¹ = 28771335534857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28771335534857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667464989 + ... + 2667475774.

It is an arithmetic number, because the mean of its divisors is an integer number (7194167620254).

Almost surely, 2^{28771335534859} is an apocalyptic number.

28771335534859 is a deficient number, since it is larger than the sum of its proper divisors (5334946157).

28771335534859 is an equidigital number, since it uses as much as digits as its factorization.

28771335534859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334946156.

The product of its digits is 762048000, while the sum is 70.

The spelling of 28771335534859 in words is "twenty-eight trillion, seven hundred seventy-one billion, three hundred thirty-five million, five hundred thirty-four thousand, eight hundred fifty-nine".