87543332112 has 80 divisors (see below), whose sum is σ = 229951032192. Its totient is φ = 28691496960.

The previous prime is 87543332083. The next prime is 87543332117. The reversal of 87543332112 is 21123334578.

It is not an unprimeable number, because it can be changed into a prime (87543332117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11025808 + ... + 11033744.

Almost surely, 2^87543332112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87543332112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114975516096).

87543332112 is an abundant number, since it is smaller than the sum of its proper divisors (142407700080).

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

87543332112 is a wasteful number, since it uses less digits than its factorization.

87543332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776 (or 11770 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The spelling of 87543332112 in words is "eighty-seven billion, five hundred forty-three million, three hundred thirty-two thousand, one hundred twelve".