87641112 has 64 divisors (see below), whose sum is σ = 237091680. Its totient is φ = 26836992.

The previous prime is 87641093. The next prime is 87641117. The reversal of 87641112 is 21114678.

It is a self number, because there is not a number n which added to its sum of digits gives 87641112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87641117) 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 15 ways as a sum of consecutive naturals, for example, 79638 + ... + 80730.

Almost surely, 2^87641112 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 87641112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118545840).

87641112 is an abundant number, since it is smaller than the sum of its proper divisors (149450568).

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

87641112 is a wasteful number, since it uses less digits than its factorization.

87641112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1368 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 87641112 is about 9361.6831819924. The cubic root of 87641112 is about 444.1905277581.

The spelling of 87641112 in words is "eighty-seven million, six hundred forty-one thousand, one hundred twelve".