87043616 has 48 divisors (see below), whose sum is σ = 193415040. Its totient is φ = 38196480.

The previous prime is 87043609. The next prime is 87043631. The reversal of 87043616 is 61634078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^87043616 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 87043616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96707520).

87043616 is an abundant number, since it is smaller than the sum of its proper divisors (106371424).

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

87043616 is a wasteful number, since it uses less digits than its factorization.

87043616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8577 (or 8569 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 87043616 is about 9329.7168231410. The cubic root of 87043616 is about 443.1787975278.

The spelling of 87043616 in words is "eighty-seven million, forty-three thousand, six hundred sixteen".