87011328 has 104 divisors (see below), whose sum is σ = 237604528. Its totient is φ = 28311552.

The previous prime is 87011297. The next prime is 87011329. The reversal of 87011328 is 82311078.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87011295 and 87011304.

It is not an unprimeable number, because it can be changed into a prime (87011329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896976 + ... + 897072.

Almost surely, 2^87011328 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 87011328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118802264).

87011328 is an abundant number, since it is smaller than the sum of its proper divisors (150593200).

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

87011328 is an equidigital number, since it uses as much as digits as its factorization.

87011328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 87011328 is about 9327.9862778630. The cubic root of 87011328 is about 443.1239931000.

The spelling of 87011328 in words is "eighty-seven million, eleven thousand, three hundred twenty-eight".