9857248380 has 144 divisors (see below), whose sum is σ = 36181978560. Its totient is φ = 2120546304.

The previous prime is 9857248367. The next prime is 9857248399. The reversal of 9857248380 is 838427589.

It is a happy number.

9857248380 is a `hidden beast` number, since 9 + 85 + 7 + 2 + 483 + 80 = 666.

9857248380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208675 + ... + 251514.

It is an arithmetic number, because the mean of its divisors is an integer number (251263740).

Almost surely, 2^9857248380 is an apocalyptic number.

9857248380 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9857248380 is an abundant number, since it is smaller than the sum of its proper divisors (26324730180).

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

9857248380 is a wasteful number, since it uses less digits than its factorization.

9857248380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460228 (or 460223 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The square root of 9857248380 is about 99283.6763017970. The cubic root of 9857248380 is about 2144.1338834560.

The spelling of 9857248380 in words is "nine billion, eight hundred fifty-seven million, two hundred forty-eight thousand, three hundred eighty".