898171279 has 4 divisors (see below), whose sum is σ = 898446184. Its totient is φ = 897896376.

The previous prime is 898171273. The next prime is 898171289. The reversal of 898171279 is 972171898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 898171279 - 2³ = 898171271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898171271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132492 + ... + 139105.

It is an arithmetic number, because the mean of its divisors is an integer number (224611546).

Almost surely, 2^898171279 is an apocalyptic number.

898171279 is a deficient number, since it is larger than the sum of its proper divisors (274905).

898171279 is a wasteful number, since it uses less digits than its factorization.

898171279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274904.

The product of its digits is 508032, while the sum is 52.

The square root of 898171279 is about 29969.5058184148. The cubic root of 898171279 is about 964.8350113019.

The spelling of 898171279 in words is "eight hundred ninety-eight million, one hundred seventy-one thousand, two hundred seventy-nine".