28082106647 has 8 divisors (see below), whose sum is σ = 33782985600. Its totient is φ = 22803515064.

The previous prime is 28082106643. The next prime is 28082106649. The reversal of 28082106647 is 74660128082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28082106647 - 2² = 28082106643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28082106598 and 28082106607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28082106641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105571697 + ... + 105571962.

It is an arithmetic number, because the mean of its divisors is an integer number (4222873200).

Almost surely, 2^28082106647 is an apocalyptic number.

28082106647 is a deficient number, since it is larger than the sum of its proper divisors (5700878953).

28082106647 is a wasteful number, since it uses less digits than its factorization.

28082106647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211143685.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 28082106647 in words is "twenty-eight billion, eighty-two million, one hundred six thousand, six hundred forty-seven".