28217007283 has 8 divisors (see below), whose sum is σ = 28313280000. Its totient is φ = 28120896960.

The previous prime is 28217007199. The next prime is 28217007289. The reversal of 28217007283 is 38270071282.

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 28217007283 - 2¹³ = 28216999091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28217007289) 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, 312718 + ... + 392716.

It is an arithmetic number, because the mean of its divisors is an integer number (3539160000).

Almost surely, 2^28217007283 is an apocalyptic number.

28217007283 is a deficient number, since it is larger than the sum of its proper divisors (96272717).

28217007283 is an equidigital number, since it uses as much as digits as its factorization.

28217007283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81197.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 28217007283 in words is "twenty-eight billion, two hundred seventeen million, seven thousand, two hundred eighty-three".