28502774083072 has 40 divisors (see below), whose sum is σ = 56989621868256. Its totient is φ = 14241441533952.

The previous prime is 28502774083067. The next prime is 28502774083073. The reversal of 28502774083072 is 27038047720582.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18690408 + ... + 20157799.

Almost surely, 2^{28502774083072} is an apocalyptic number.

It is an amenable number.

28502774083072 is a deficient number, since it is larger than the sum of its proper divisors (28486847785184).

28502774083072 is an equidigital number, since it uses as much as digits as its factorization.

28502774083072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38849658 (or 38849642 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 55.

The spelling of 28502774083072 in words is "twenty-eight trillion, five hundred two billion, seven hundred seventy-four million, eighty-three thousand, seventy-two".