87440010 has 96 divisors (see below), whose sum is σ = 258552000. Its totient is φ = 18805248.

The previous prime is 87439973. The next prime is 87440039. The reversal of 87440010 is 1004478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23241 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (2693250).

Almost surely, 2^87440010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87440010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129276000).

87440010 is an abundant number, since it is smaller than the sum of its proper divisors (171111990).

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

87440010 is a wasteful number, since it uses less digits than its factorization.

87440010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3533 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 87440010 is about 9350.9363167546. The cubic root of 87440010 is about 443.8505198454.

Adding to 87440010 its reverse (1004478), we get a palindrome (88444488).

The spelling of 87440010 in words is "eighty-seven million, four hundred forty thousand, ten".