87224688 has 200 divisors, whose sum is σ = 277093872. Its totient is φ = 26376192.

The previous prime is 87224659. The next prime is 87224713. The reversal of 87224688 is 88642278.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 815131 + ... + 815237.

Almost surely, 2^87224688 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 87224688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138546936).

87224688 is an abundant number, since it is smaller than the sum of its proper divisors (189869184).

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

87224688 is a wasteful number, since it uses less digits than its factorization.

87224688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 166 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 87224688 is about 9339.4158275558. The cubic root of 87224688 is about 443.4858914288.

The spelling of 87224688 in words is "eighty-seven million, two hundred twenty-four thousand, six hundred eighty-eight".