9868257792 has 60 divisors (see below), whose sum is σ = 28480473450. Its totient is φ = 3289417728.

The previous prime is 9868257731. The next prime is 9868257793. The reversal of 9868257792 is 2977528689.

It can be written as a sum of positive squares in only one way, i.e., 9843814656 + 24443136 = 99216^2 + 4944^2 .

It is not an unprimeable number, because it can be changed into a prime (9868257793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1066167 + ... + 1075382.

Almost surely, 2^9868257792 is an apocalyptic number.

It is an amenable number.

9868257792 is an abundant number, since it is smaller than the sum of its proper divisors (18612215658).

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

9868257792 is a wasteful number, since it uses less digits than its factorization.

9868257792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141573 (or 2141554 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 9868257792 is about 99339.1050493208. The cubic root of 9868257792 is about 2144.9318367177.

The spelling of 9868257792 in words is "nine billion, eight hundred sixty-eight million, two hundred fifty-seven thousand, seven hundred ninety-two".