28271351347 has 8 divisors (see below), whose sum is σ = 29623979520. Its totient is φ = 26929009800.

The previous prime is 28271351333. The next prime is 28271351351. The reversal of 28271351347 is 74315317282.

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-28271351347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28271351377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566029 + ... + 2577022.

It is an arithmetic number, because the mean of its divisors is an integer number (3702997440).

Almost surely, 2^28271351347 is an apocalyptic number.

28271351347 is a deficient number, since it is larger than the sum of its proper divisors (1352628173).

28271351347 is a wasteful number, since it uses less digits than its factorization.

28271351347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143313.

The product of its digits is 282240, while the sum is 43.

The spelling of 28271351347 in words is "twenty-eight billion, two hundred seventy-one million, three hundred fifty-one thousand, three hundred forty-seven".