9959845392 has 120 divisors (see below), whose sum is σ = 31878060864. Its totient is φ = 2843672832.

The previous prime is 9959845367. The next prime is 9959845397. The reversal of 9959845392 is 2935489599.

9959845392 is a `hidden beast` number, since 9 + 9 + 5 + 98 + 4 + 539 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9959845397) 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, 2016558 + ... + 2021490.

Almost surely, 2^9959845392 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 9959845392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15939030432).

9959845392 is an abundant number, since it is smaller than the sum of its proper divisors (21918215472).

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

9959845392 is a wasteful number, since it uses less digits than its factorization.

9959845392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957 (or 6948 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The square root of 9959845392 is about 99799.0250052574. The cubic root of 9959845392 is about 2151.5471389454.

The spelling of 9959845392 in words is "nine billion, nine hundred fifty-nine million, eight hundred forty-five thousand, three hundred ninety-two".