87648834 has 64 divisors (see below), whose sum is σ = 217002240. Its totient is φ = 22982400.

The previous prime is 87648829. The next prime is 87648853. The reversal of 87648834 is 43884678.

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, 124684 + ... + 125384.

It is an arithmetic number, because the mean of its divisors is an integer number (3390660).

Almost surely, 2^87648834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87648834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108501120).

87648834 is an abundant number, since it is smaller than the sum of its proper divisors (129353406).

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

87648834 is a wasteful number, since it uses less digits than its factorization.

87648834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its digits is 1032192, while the sum is 48.

The square root of 87648834 is about 9362.0955987428. The cubic root of 87648834 is about 444.2035731522.

The spelling of 87648834 in words is "eighty-seven million, six hundred forty-eight thousand, eight hundred thirty-four".