9986437272 has 32 divisors (see below), whose sum is σ = 28532678400. Its totient is φ = 2853267744.

The previous prime is 9986437271. The next prime is 9986437273. The reversal of 9986437272 is 2727346899.

It is an interprime number because it is at equal distance from previous prime (9986437271) and next prime (9986437273).

It is a Smith number, since the sum of its digits (57) 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 (9986437271) 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, 29721372 + ... + 29721707.

It is an arithmetic number, because the mean of its divisors is an integer number (891646200).

Almost surely, 2^9986437272 is an apocalyptic number.

It is an amenable number.

9986437272 is an abundant number, since it is smaller than the sum of its proper divisors (18546241128).

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

9986437272 is a wasteful number, since it uses less digits than its factorization.

9986437272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59443095 (or 59443091 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 57.

The square root of 9986437272 is about 99932.1633509452. The cubic root of 9986437272 is about 2153.4602489732.

The spelling of 9986437272 in words is "nine billion, nine hundred eighty-six million, four hundred thirty-seven thousand, two hundred seventy-two".