9887512006 has 8 divisors (see below), whose sum is σ = 14831702784. Its totient is φ = 4943611080.

The previous prime is 9887511917. The next prime is 9887512027. The reversal of 9887512006 is 6002157889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64891 + ... + 154873.

It is an arithmetic number, because the mean of its divisors is an integer number (1853962848).

Almost surely, 2^9887512006 is an apocalyptic number.

9887512006 is a deficient number, since it is larger than the sum of its proper divisors (4944190778).

9887512006 is a wasteful number, since it uses less digits than its factorization.

9887512006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144926.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 9887512006 is about 99435.9693772832. The cubic root of 9887512006 is about 2146.3259411520.

The spelling of 9887512006 in words is "nine billion, eight hundred eighty-seven million, five hundred twelve thousand, six".