9871926006648 has 32 divisors (see below), whose sum is σ = 25084402151760. Its totient is φ = 3236697050880.

The previous prime is 9871926006643. The next prime is 9871926006727. The reversal of 9871926006648 is 8466006291789.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9871926006643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371557965 + ... + 3371560892.

Almost surely, 2^{9871926006648} is an apocalyptic number.

It is an amenable number.

9871926006648 is an abundant number, since it is smaller than the sum of its proper divisors (15212476145112).

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

9871926006648 is a wasteful number, since it uses less digits than its factorization.

9871926006648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743118927 (or 6743118923 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 9871926006648 in words is "nine trillion, eight hundred seventy-one billion, nine hundred twenty-six million, six thousand, six hundred forty-eight".