9852978012 has 24 divisors (see below), whose sum is σ = 23016946176. Its totient is φ = 3280516848.

The previous prime is 9852978001. The next prime is 9852978059. The reversal of 9852978012 is 2108792589.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465358 + ... + 486069.

It is an arithmetic number, because the mean of its divisors is an integer number (959039424).

Almost surely, 2^9852978012 is an apocalyptic number.

It is an amenable number.

9852978012 is an abundant number, since it is smaller than the sum of its proper divisors (13163968164).

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

9852978012 is a wasteful number, since it uses less digits than its factorization.

9852978012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952297 (or 952295 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 9852978012 is about 99262.1680802913. The cubic root of 9852978012 is about 2143.8242107185.

The spelling of 9852978012 in words is "nine billion, eight hundred fifty-two million, nine hundred seventy-eight thousand, twelve".