28555484376833 has 2 divisors, whose sum is σ = 28555484376834. Its totient is φ = 28555484376832.

The previous prime is 28555484376803. The next prime is 28555484376847. The reversal of 28555484376833 is 33867348455582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22367668925809 + 6187815451024 = 4729447^2 + 2487532^2 .

It is a cyclic number.

It is not a de Polignac number, because 28555484376833 - 2¹⁰ = 28555484375809 is a prime.

It is not a weakly prime, because it can be changed into another prime (28555484376803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14277742188416 + 14277742188417.

It is an arithmetic number, because the mean of its divisors is an integer number (14277742188417).

Almost surely, 2^{28555484376833} is an apocalyptic number.

It is an amenable number.

28555484376833 is a deficient number, since it is larger than the sum of its proper divisors (1).

28555484376833 is an equidigital number, since it uses as much as digits as its factorization.

28555484376833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432000, while the sum is 71.

The spelling of 28555484376833 in words is "twenty-eight trillion, five hundred fifty-five billion, four hundred eighty-four million, three hundred seventy-six thousand, eight hundred thirty-three".