28350535135 has 16 divisors (see below), whose sum is σ = 37139505984. Its totient is φ = 20648984832.

The previous prime is 28350535133. The next prime is 28350535139. The reversal of 28350535135 is 53153505382.

It is a cyclic number.

It is not a de Polignac number, because 28350535135 - 2¹ = 28350535133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28350535133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2982667 + ... + 2992156.

It is an arithmetic number, because the mean of its divisors is an integer number (2321219124).

Almost surely, 2^28350535135 is an apocalyptic number.

28350535135 is a deficient number, since it is larger than the sum of its proper divisors (8788970849).

28350535135 is a wasteful number, since it uses less digits than its factorization.

28350535135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974914.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 28350535135 in words is "twenty-eight billion, three hundred fifty million, five hundred thirty-five thousand, one hundred thirty-five".