9987214206 has 16 divisors (see below), whose sum is σ = 20215085184. Its totient is φ = 3288961944.

The previous prime is 9987214201. The next prime is 9987214229. The reversal of 9987214206 is 6024127899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9987214201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10026826 + ... + 10027821.

It is an arithmetic number, because the mean of its divisors is an integer number (1263442824).

Almost surely, 2^9987214206 is an apocalyptic number.

9987214206 is an abundant number, since it is smaller than the sum of its proper divisors (10227870978).

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

9987214206 is a wasteful number, since it uses less digits than its factorization.

9987214206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20054735.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 9987214206 is about 99936.0505823599. The cubic root of 9987214206 is about 2153.5160931498.

The spelling of 9987214206 in words is "nine billion, nine hundred eighty-seven million, two hundred fourteen thousand, two hundred six".