28502774083071 has 48 divisors (see below), whose sum is σ = 43006496053248. Its totient is φ = 18863850499200.

The previous prime is 28502774083067. The next prime is 28502774083073. The reversal of 28502774083071 is 17038047720582.

28502774083071 is a `hidden beast` number, since 28 + 5 + 0 + 277 + 40 + 8 + 307 + 1 = 666.

It is not a de Polignac number, because 28502774083071 - 2² = 28502774083067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28502774082999 and 28502774083017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28502774083073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22163415 + ... + 23414151.

It is an arithmetic number, because the mean of its divisors is an integer number (895968667776).

Almost surely, 2^{28502774083071} is an apocalyptic number.

28502774083071 is a deficient number, since it is larger than the sum of its proper divisors (14503721970177).

28502774083071 is a wasteful number, since it uses less digits than its factorization.

28502774083071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251434 (or 1251422 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 28502774083071 in words is "twenty-eight trillion, five hundred two billion, seven hundred seventy-four million, eighty-three thousand, seventy-one".