9886736321 has 24 divisors (see below), whose sum is σ = 12586732704. Its totient is φ = 7679206080.

The previous prime is 9886736311. The next prime is 9886736333. The reversal of 9886736321 is 1236376889.

It is not a de Polignac number, because 9886736321 - 2¹⁰ = 9886735297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9886736311) 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, 139406 + ... + 198008.

It is an arithmetic number, because the mean of its divisors is an integer number (524447196).

Almost surely, 2^9886736321 is an apocalyptic number.

It is an amenable number.

9886736321 is a deficient number, since it is larger than the sum of its proper divisors (2699996383).

9886736321 is a wasteful number, since it uses less digits than its factorization.

9886736321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58941 (or 58934 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 9886736321 is about 99432.0688761931. The cubic root of 9886736321 is about 2146.2698125602.

The spelling of 9886736321 in words is "nine billion, eight hundred eighty-six million, seven hundred thirty-six thousand, three hundred twenty-one".