28186631001282 has 32 divisors (see below), whose sum is σ = 60718215011328. Its totient is φ = 8671588361856.

The previous prime is 28186631001259. The next prime is 28186631001283. The reversal of 28186631001282 is 28210013668182.

It is not an unprimeable number, because it can be changed into a prime (28186631001283) 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 15 ways as a sum of consecutive naturals, for example, 24883603 + ... + 25991670.

It is an arithmetic number, because the mean of its divisors is an integer number (1897444219104).

Almost surely, 2^{28186631001282} is an apocalyptic number.

28186631001282 is an abundant number, since it is smaller than the sum of its proper divisors (32531584010046).

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

28186631001282 is a wasteful number, since it uses less digits than its factorization.

28186631001282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50882394.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 28186631001282 in words is "twenty-eight trillion, one hundred eighty-six billion, six hundred thirty-one million, one thousand, two hundred eighty-two".