28333000075505 has 24 divisors (see below), whose sum is σ = 36798679364472. Its totient is φ = 20930571364352.

The previous prime is 28333000075493. The next prime is 28333000075507. The reversal of 28333000075505 is 50557000033382.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 76503687649 + 28256496387856 = 276593^2 + 5315684^2 .

It is not a de Polignac number, because 28333000075505 - 2²⁸ = 28332731640049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28333000075507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184900892 + ... + 185054061.

It is an arithmetic number, because the mean of its divisors is an integer number (1533278306853).

Almost surely, 2^{28333000075505} is an apocalyptic number.

It is an amenable number.

28333000075505 is a deficient number, since it is larger than the sum of its proper divisors (8465679288967).

28333000075505 is a wasteful number, since it uses less digits than its factorization.

28333000075505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369955045 (or 369955028 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 28333000075505 in words is "twenty-eight trillion, three hundred thirty-three billion, seventy-five thousand, five hundred five".