87030944 has 216 divisors, whose sum is σ = 245337120. Its totient is φ = 29652480.

The previous prime is 87030901. The next prime is 87030949. The reversal of 87030944 is 44903078.

It is a super-2 number, since 2×87030944² = 15148770427062272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87030949) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4580567 + ... + 4580585.

It is an arithmetic number, because the mean of its divisors is an integer number (1135820).

Almost surely, 2^87030944 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 87030944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122668560).

87030944 is an abundant number, since it is smaller than the sum of its proper divisors (158306176).

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

87030944 is a wasteful number, since it uses less digits than its factorization.

87030944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 87030944 is about 9329.0376781317. The cubic root of 87030944 is about 443.1572901711.

The spelling of 87030944 in words is "eighty-seven million, thirty thousand, nine hundred forty-four".