28364818752 has 42 divisors (see below), whose sum is σ = 81302633178. Its totient is φ = 9454939392.

The previous prime is 28364818717. The next prime is 28364818813. The reversal of 28364818752 is 25781846382.

28364818752 is a `hidden beast` number, since 2 + 8 + 36 + 481 + 87 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27990628416 + 374190336 = 167304^2 + 19344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24621663 + ... + 24622814.

Almost surely, 2^28364818752 is an apocalyptic number.

It is an amenable number.

28364818752 is an abundant number, since it is smaller than the sum of its proper divisors (52937814426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28364818752 is a wasteful number, since it uses less digits than its factorization.

28364818752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49244495 (or 49244482 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 28364818752 in words is "twenty-eight billion, three hundred sixty-four million, eight hundred eighteen thousand, seven hundred fifty-two".