9999995936 has 72 divisors (see below), whose sum is σ = 23521063104. Its totient is φ = 4099328640.

The previous prime is 9999995911. The next prime is 9999995953. The reversal of 9999995936 is 6395999999.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76301 + ... + 160691.

It is an arithmetic number, because the mean of its divisors is an integer number (326681432).

Almost surely, 2^9999995936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9999995936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11760531552).

9999995936 is an abundant number, since it is smaller than the sum of its proper divisors (13521067168).

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

9999995936 is a wasteful number, since it uses less digits than its factorization.

9999995936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84454 (or 84423 counting only the distinct ones).

The product of its digits is 430467210, while the sum is 77.

The square root of 9999995936 is about 99999.9796799979. The cubic root of 9999995936 is about 2154.4343981778.

The spelling of 9999995936 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-five thousand, nine hundred thirty-six".