28033327555805 has 48 divisors (see below), whose sum is σ = 40662405850176. Its totient is φ = 18381911708160.

The previous prime is 28033327555763. The next prime is 28033327555811. The reversal of 28033327555805 is 50855572333082.

It is not a de Polignac number, because 28033327555805 - 2¹⁰ = 28033327554781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34669592 + ... + 35468961.

It is an arithmetic number, because the mean of its divisors is an integer number (847133455212).

Almost surely, 2^{28033327555805} is an apocalyptic number.

It is an amenable number.

28033327555805 is a deficient number, since it is larger than the sum of its proper divisors (12629078294371).

28033327555805 is a wasteful number, since it uses less digits than its factorization.

28033327555805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70138638 (or 70138625 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 56.

Adding to 28033327555805 its reverse (50855572333082), we get a palindrome (78888899888887).

The spelling of 28033327555805 in words is "twenty-eight trillion, thirty-three billion, three hundred twenty-seven million, five hundred fifty-five thousand, eight hundred five".