28287334333 has 2 divisors, whose sum is σ = 28287334334. Its totient is φ = 28287334332.

The previous prime is 28287334321. The next prime is 28287334469. The reversal of 28287334333 is 33343378282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27591535449 + 695798884 = 166107^2 + 26378^2 .

It is a cyclic number.

It is not a de Polignac number, because 28287334333 - 2⁵ = 28287334301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28287334133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14143667166 + 14143667167.

It is an arithmetic number, because the mean of its divisors is an integer number (14143667167).

Almost surely, 2^28287334333 is an apocalyptic number.

It is an amenable number.

28287334333 is a deficient number, since it is larger than the sum of its proper divisors (1).

28287334333 is an equidigital number, since it uses as much as digits as its factorization.

28287334333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 46.

It can be divided in two parts, 282873 and 34333, that added together give a triangular number (317206 = T₇₉₆).

The spelling of 28287334333 in words is "twenty-eight billion, two hundred eighty-seven million, three hundred thirty-four thousand, three hundred thirty-three".