87445182 has 64 divisors (see below), whose sum is σ = 202694400. Its totient is φ = 24871680.

The previous prime is 87445181. The next prime is 87445217. The reversal of 87445182 is 28154478.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87445182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87445181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171544 + ... + 172052.

It is an arithmetic number, because the mean of its divisors is an integer number (3167100).

Almost surely, 2^87445182 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87445182, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101347200).

87445182 is an abundant number, since it is smaller than the sum of its proper divisors (115249218).

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

87445182 is a wasteful number, since it uses less digits than its factorization.

87445182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 71680, while the sum is 39.

The square root of 87445182 is about 9351.2128625115. The cubic root of 87445182 is about 443.8592707960.

It can be divided in two parts, 874 and 45182, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 87445182 in words is "eighty-seven million, four hundred forty-five thousand, one hundred eighty-two".