28128302735 has 32 divisors (see below), whose sum is σ = 36849281280. Its totient is φ = 20487168000.

The previous prime is 28128302641. The next prime is 28128302749. The reversal of 28128302735 is 53720382182.

It is not a de Polignac number, because 28128302735 - 2²⁸ = 27859867279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28128302692 and 28128302701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6164855 + ... + 6169415.

It is an arithmetic number, because the mean of its divisors is an integer number (1151540040).

Almost surely, 2^28128302735 is an apocalyptic number.

28128302735 is a deficient number, since it is larger than the sum of its proper divisors (8720978545).

28128302735 is a wasteful number, since it uses less digits than its factorization.

28128302735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 28128302735 in words is "twenty-eight billion, one hundred twenty-eight million, three hundred two thousand, seven hundred thirty-five".