28001017417 has 16 divisors (see below), whose sum is σ = 28534809600. Its totient is φ = 27471473680.

The previous prime is 28001017409. The next prime is 28001017427. The reversal of 28001017417 is 71471010082.

It is a cyclic number.

It is not a de Polignac number, because 28001017417 - 2³ = 28001017409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28001017427) 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 15 ways as a sum of consecutive naturals, for example, 16796418 + ... + 16798084.

It is an arithmetic number, because the mean of its divisors is an integer number (1783425600).

Almost surely, 2^28001017417 is an apocalyptic number.

It is an amenable number.

28001017417 is a deficient number, since it is larger than the sum of its proper divisors (533792183).

28001017417 is a wasteful number, since it uses less digits than its factorization.

28001017417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 3136, while the sum is 31.

Adding to 28001017417 its reverse (71471010082), we get a palindrome (99472027499).

The spelling of 28001017417 in words is "twenty-eight billion, one million, seventeen thousand, four hundred seventeen".