87066224 has 80 divisors (see below), whose sum is σ = 204367872. Its totient is φ = 35126784.

The previous prime is 87066223. The next prime is 87066263. The reversal of 87066224 is 42266078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87066223) 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, 187817 + ... + 188279.

Almost surely, 2^87066224 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 87066224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102183936).

87066224 is an abundant number, since it is smaller than the sum of its proper divisors (117301648).

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

87066224 is a wasteful number, since it uses less digits than its factorization.

87066224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 87066224 is about 9330.9283568142. The cubic root of 87066224 is about 443.2171634236.

The spelling of 87066224 in words is "eighty-seven million, sixty-six thousand, two hundred twenty-four".