9987226144806 has 64 divisors (see below), whose sum is σ = 20232966758400. Its totient is φ = 3286235235456.

The previous prime is 9987226144759. The next prime is 9987226144813. The reversal of 9987226144806 is 6084416227899.

9987226144806 = T₁ + T₂ + ... + T₃₉₁₃₁.

9987226144806 is a nontrivial binomial coefficient, being equal to C(39133, 3).

It is a congruent number.

It is an unprimeable number.

It is the 39131-st tetrahedral number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255192816 + ... + 255231948.

It is an arithmetic number, because the mean of its divisors is an integer number (316140105600).

Almost surely, 2^{9987226144806} is an apocalyptic number.

9987226144806 is an abundant number, since it is smaller than the sum of its proper divisors (10245740613594).

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

9987226144806 is a wasteful number, since it uses less digits than its factorization.

9987226144806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40693.

The product of its (nonzero) digits is 83607552, while the sum is 66.

The spelling of 9987226144806 in words is "nine trillion, nine hundred eighty-seven billion, two hundred twenty-six million, one hundred forty-four thousand, eight hundred six".