9887233842 has 64 divisors (see below), whose sum is σ = 22750560000. Its totient is φ = 3179119104.

The previous prime is 9887233841. The next prime is 9887233879. The reversal of 9887233842 is 2483327889.

9887233842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9887233841) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2188578 + ... + 2193090.

It is an arithmetic number, because the mean of its divisors is an integer number (355477500).

Almost surely, 2^9887233842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9887233842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11375280000).

9887233842 is an abundant number, since it is smaller than the sum of its proper divisors (12863326158).

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

9887233842 is a wasteful number, since it uses less digits than its factorization.

9887233842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952 (or 5946 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 9887233842 is about 99434.5706582977. The cubic root of 9887233842 is about 2146.3058135336.

The spelling of 9887233842 in words is "nine billion, eight hundred eighty-seven million, two hundred thirty-three thousand, eight hundred forty-two".