9986212075 has 24 divisors (see below), whose sum is σ = 14194726400. Its totient is φ = 6826960800.

The previous prime is 9986212073. The next prime is 9986212099. The reversal of 9986212075 is 5702126899.

It is not a de Polignac number, because 9986212075 - 2¹ = 9986212073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9986212073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28275 + ... + 144124.

Almost surely, 2^9986212075 is an apocalyptic number.

9986212075 is a deficient number, since it is larger than the sum of its proper divisors (4208514325).

9986212075 is a wasteful number, since it uses less digits than its factorization.

9986212075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172747 (or 172742 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 9986212075 is about 99931.0365952440. The cubic root of 9986212075 is about 2153.4440618046. Note that the first 3 decimals are identical.

The spelling of 9986212075 in words is "nine billion, nine hundred eighty-six million, two hundred twelve thousand, seventy-five".