898075128017 has 4 divisors (see below), whose sum is σ = 898099424880. Its totient is φ = 898050831156.

The previous prime is 898075127993. The next prime is 898075128029. The reversal of 898075128017 is 710821570898.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710821570898 = 2 ⋅355410785449.

It is a cyclic number.

It is not a de Polignac number, because 898075128017 - 2¹² = 898075123921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (898075124017) 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 3 ways as a sum of consecutive naturals, for example, 12092903 + ... + 12166940.

It is an arithmetic number, because the mean of its divisors is an integer number (224524856220).

Almost surely, 2^898075128017 is an apocalyptic number.

It is an amenable number.

898075128017 is a deficient number, since it is larger than the sum of its proper divisors (24296863).

898075128017 is a wasteful number, since it uses less digits than its factorization.

898075128017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24296862.

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 898075128017 in words is "eight hundred ninety-eight billion, seventy-five million, one hundred twenty-eight thousand, seventeen".