87445230 has 64 divisors (see below), whose sum is σ = 218972160. Its totient is φ = 22329216.

The previous prime is 87445223. The next prime is 87445243. The reversal of 87445230 is 3254478.

It is a junction number, because it is equal to n+sod(n) for n = 87445191 and 87445200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67731 + ... + 69009.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^87445230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87445230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109486080).

87445230 is an abundant number, since it is smaller than the sum of its proper divisors (131526930).

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

87445230 is a wasteful number, since it uses less digits than its factorization.

87445230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 87445230 is about 9351.2154290231. The cubic root of 87445230 is about 443.8593520097.

The spelling of 87445230 in words is "eighty-seven million, four hundred forty-five thousand, two hundred thirty".