28644186713088 has 44 divisors (see below), whose sum is σ = 76347200791640. Its totient is φ = 9548062236672.

The previous prime is 28644186713083. The next prime is 28644186713089. The reversal of 28644186713088 is 88031768144682.

It is not an unprimeable number, because it can be changed into a prime (28644186713083) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4662136693 + ... + 4662142836.

Almost surely, 2^{28644186713088} is an apocalyptic number.

It is an amenable number.

28644186713088 is an abundant number, since it is smaller than the sum of its proper divisors (47703014078552).

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

28644186713088 is an equidigital number, since it uses as much as digits as its factorization.

28644186713088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324279552 (or 9324279534 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 66.

The spelling of 28644186713088 in words is "twenty-eight trillion, six hundred forty-four billion, one hundred eighty-six million, seven hundred thirteen thousand, eighty-eight".