28717330017 has 8 divisors (see below), whose sum is σ = 38297291296. Its totient is φ = 19141127712.

The previous prime is 28717330007. The next prime is 28717330021. The reversal of 28717330017 is 71003371782.

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

It is not a de Polignac number, because 28717330017 - 2⁴ = 28717330001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28717330007) 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, 921868 + ... + 952509.

It is an arithmetic number, because the mean of its divisors is an integer number (4787161412).

Almost surely, 2^28717330017 is an apocalyptic number.

It is an amenable number.

28717330017 is a deficient number, since it is larger than the sum of its proper divisors (9579961279).

28717330017 is a wasteful number, since it uses less digits than its factorization.

28717330017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879487.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 28717330017 in words is "twenty-eight billion, seven hundred seventeen million, three hundred thirty thousand, seventeen".