9898125271 has 16 divisors (see below), whose sum is σ = 10656907776. Its totient is φ = 9159486336.

The previous prime is 9898125269. The next prime is 9898125287. The reversal of 9898125271 is 1725218989.

It is a cyclic number.

It is not a de Polignac number, because 9898125271 - 2¹ = 9898125269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898123271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615090 + ... + 630976.

It is an arithmetic number, because the mean of its divisors is an integer number (666056736).

Almost surely, 2^9898125271 is an apocalyptic number.

9898125271 is a deficient number, since it is larger than the sum of its proper divisors (758782505).

9898125271 is a wasteful number, since it uses less digits than its factorization.

9898125271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518.

The product of its digits is 725760, while the sum is 52.

The square root of 9898125271 is about 99489.3223969286. The cubic root of 9898125271 is about 2147.0936226581.

The spelling of 9898125271 in words is "nine billion, eight hundred ninety-eight million, one hundred twenty-five thousand, two hundred seventy-one".