28270286472727 has 8 divisors (see below), whose sum is σ = 30499582651776. Its totient is φ = 26048798687712.

The previous prime is 28270286472721. The next prime is 28270286472739. The reversal of 28270286472727 is 72727468207282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28270286472727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28270286472721) 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 7 ways as a sum of consecutive naturals, for example, 1952090983 + ... + 1952105464.

It is an arithmetic number, because the mean of its divisors is an integer number (3812447831472).

Almost surely, 2^{28270286472727} is an apocalyptic number.

28270286472727 is a deficient number, since it is larger than the sum of its proper divisors (2229296179049).

28270286472727 is a wasteful number, since it uses less digits than its factorization.

28270286472727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904197017.

The product of its (nonzero) digits is 118013952, while the sum is 64.

The spelling of 28270286472727 in words is "twenty-eight trillion, two hundred seventy billion, two hundred eighty-six million, four hundred seventy-two thousand, seven hundred twenty-seven".