87224886 has 96 divisors (see below), whose sum is σ = 225957888. Its totient is φ = 23794560.

The previous prime is 87224881. The next prime is 87224887. The reversal of 87224886 is 68842278.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87224881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535041 + ... + 535203.

It is an arithmetic number, because the mean of its divisors is an integer number (2353728).

Almost surely, 2^87224886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87224886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112978944).

87224886 is an abundant number, since it is smaller than the sum of its proper divisors (138733002).

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

87224886 is a wasteful number, since it uses less digits than its factorization.

87224886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 343 counting only the distinct ones).

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

The square root of 87224886 is about 9339.4264277845. The cubic root of 87224886 is about 443.4862269995.

The spelling of 87224886 in words is "eighty-seven million, two hundred twenty-four thousand, eight hundred eighty-six".