9857559156 has 24 divisors (see below), whose sum is σ = 23015418720. Its totient is φ = 3283789152.

The previous prime is 9857559143. The next prime is 9857559197. The reversal of 9857559156 is 6519557589.

9857559156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9857559156.

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 7 ways as a sum of consecutive naturals, for example, 238026 + ... + 276353.

It is an arithmetic number, because the mean of its divisors is an integer number (958975780).

Almost surely, 2^9857559156 is an apocalyptic number.

It is an amenable number.

9857559156 is an abundant number, since it is smaller than the sum of its proper divisors (13157859564).

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

9857559156 is a wasteful number, since it uses less digits than its factorization.

9857559156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515983 (or 515981 counting only the distinct ones).

The product of its digits is 17010000, while the sum is 60.

The square root of 9857559156 is about 99285.2413805798. The cubic root of 9857559156 is about 2144.1564163956.

The spelling of 9857559156 in words is "nine billion, eight hundred fifty-seven million, five hundred fifty-nine thousand, one hundred fifty-six".