9925771848 has 32 divisors (see below), whose sum is σ = 25485092160. Its totient is φ = 3219168960.

The previous prime is 9925771841. The next prime is 9925771897. The reversal of 9925771848 is 8481775299.

It is a junction number, because it is equal to n+sod(n) for n = 9925771791 and 9925771800.

It is not an unprimeable number, because it can be changed into a prime (9925771841) 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, 5587948 + ... + 5589723.

It is an arithmetic number, because the mean of its divisors is an integer number (796409130).

Almost surely, 2^9925771848 is an apocalyptic number.

It is an amenable number.

9925771848 is an abundant number, since it is smaller than the sum of its proper divisors (15559320312).

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

9925771848 is a wasteful number, since it uses less digits than its factorization.

9925771848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177717 (or 11177713 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 60.

The square root of 9925771848 is about 99628.1679446129. The cubic root of 9925771848 is about 2149.0907890222.

The spelling of 9925771848 in words is "nine billion, nine hundred twenty-five million, seven hundred seventy-one thousand, eight hundred forty-eight".