87648330 has 128 divisors (see below), whose sum is σ = 276203520. Its totient is φ = 17245440.

The previous prime is 87648329. The next prime is 87648343. The reversal of 87648330 is 3384678.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42892 + ... + 44888.

It is an arithmetic number, because the mean of its divisors is an integer number (2157840).

Almost surely, 2^87648330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87648330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138101760).

87648330 is an abundant number, since it is smaller than the sum of its proper divisors (188555190).

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

87648330 is a wasteful number, since it uses less digits than its factorization.

87648330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 87648330 is about 9362.0686816536. The cubic root of 87648330 is about 444.2027217279.

It can be divided in two parts, 87648 and 330, that added together give a palindrome (87978).

The spelling of 87648330 in words is "eighty-seven million, six hundred forty-eight thousand, three hundred thirty".