898669617117 has 16 divisors (see below), whose sum is σ = 1210998018048. Its totient is φ = 592738095600.

The previous prime is 898669617113. The next prime is 898669617133. The reversal of 898669617117 is 711716966898.

It is not a de Polignac number, because 898669617117 - 2² = 898669617113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898669617113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039509 + ... + 1696442.

It is an arithmetic number, because the mean of its divisors is an integer number (75687376128).

Almost surely, 2^898669617117 is an apocalyptic number.

It is an amenable number.

898669617117 is a deficient number, since it is larger than the sum of its proper divisors (312328400931).

898669617117 is a wasteful number, since it uses less digits than its factorization.

898669617117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737120.

The product of its digits is 54867456, while the sum is 69.

The spelling of 898669617117 in words is "eight hundred ninety-eight billion, six hundred sixty-nine million, six hundred seventeen thousand, one hundred seventeen".