898117727265 has 96 divisors (see below), whose sum is σ = 1799034022656. Its totient is φ = 409636270080.

The previous prime is 898117727209. The next prime is 898117727279. The reversal of 898117727265 is 562727711898.

It is not a de Polignac number, because 898117727265 - 2⁷ = 898117727137 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17957884 + ... + 18007826.

It is an arithmetic number, because the mean of its divisors is an integer number (18739937736).

Almost surely, 2^898117727265 is an apocalyptic number.

898117727265 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

898117727265 is an abundant number, since it is smaller than the sum of its proper divisors (900916295391).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898117727265 is a wasteful number, since it uses less digits than its factorization.

898117727265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52119 (or 52116 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 63.

The spelling of 898117727265 in words is "eight hundred ninety-eight billion, one hundred seventeen million, seven hundred twenty-seven thousand, two hundred sixty-five".