87150224 has 60 divisors (see below), whose sum is σ = 198787500. Its totient is φ = 36900864.

The previous prime is 87150223. The next prime is 87150227. The reversal of 87150224 is 42205178.

It can be written as a sum of positive squares in 2 ways, for example, as 25684624 + 61465600 = 5068^2 + 7840^2 .

It is not an unprimeable number, because it can be changed into a prime (87150223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69152 + ... + 70400.

It is an arithmetic number, because the mean of its divisors is an integer number (3313125).

Almost surely, 2^87150224 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 87150224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99393750).

87150224 is an abundant number, since it is smaller than the sum of its proper divisors (111637276).

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

87150224 is a wasteful number, since it uses less digits than its factorization.

87150224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 87150224 is about 9335.4284315183. The cubic root of 87150224 is about 443.3596537159.

The spelling of 87150224 in words is "eighty-seven million, one hundred fifty thousand, two hundred twenty-four".