28071269743 has 8 divisors (see below), whose sum is σ = 30777091200. Its totient is φ = 25391096280.

The previous prime is 28071269741. The next prime is 28071269803. The reversal of 28071269743 is 34796217082.

It is a happy number.

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

It is not a de Polignac number, because 28071269743 - 2¹ = 28071269741 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 (28071269741) 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, 6409705 + ... + 6414082.

It is an arithmetic number, because the mean of its divisors is an integer number (3847136400).

Almost surely, 2^28071269743 is an apocalyptic number.

28071269743 is a deficient number, since it is larger than the sum of its proper divisors (2705821457).

28071269743 is a wasteful number, since it uses less digits than its factorization.

28071269743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12823997.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 28071269743 in words is "twenty-eight billion, seventy-one million, two hundred sixty-nine thousand, seven hundred forty-three".