9898258712 has 16 divisors (see below), whose sum is σ = 18560291400. Its totient is φ = 4948847680.

The previous prime is 9898258693. The next prime is 9898258751. The reversal of 9898258712 is 2178528989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250739 + ... + 287517.

Almost surely, 2^9898258712 is an apocalyptic number.

It is an amenable number.

9898258712 is a deficient number, since it is larger than the sum of its proper divisors (8662032688).

9898258712 is a wasteful number, since it uses less digits than its factorization.

9898258712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70426 (or 70422 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 59.

The square root of 9898258712 is about 99489.9930244243. The cubic root of 9898258712 is about 2147.1032712540.

The spelling of 9898258712 in words is "nine billion, eight hundred ninety-eight million, two hundred fifty-eight thousand, seven hundred twelve".