28271840359 has 8 divisors (see below), whose sum is σ = 32350521728. Its totient is φ = 24203120760.

The previous prime is 28271840357. The next prime is 28271840369. The reversal of 28271840359 is 95304817282.

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

It is not a de Polignac number, because 28271840359 - 2¹ = 28271840357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28271840357) 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, 2484357 + ... + 2495710.

It is an arithmetic number, because the mean of its divisors is an integer number (4043815216).

Almost surely, 2^28271840359 is an apocalyptic number.

28271840359 is a deficient number, since it is larger than the sum of its proper divisors (4078681369).

28271840359 is an equidigital number, since it uses as much as digits as its factorization.

28271840359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980885.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 28271840359 in words is "twenty-eight billion, two hundred seventy-one million, eight hundred forty thousand, three hundred fifty-nine".