87128848 has 20 divisors (see below), whose sum is σ = 174258688. Its totient is φ = 42158880.

The previous prime is 87128843. The next prime is 87128869. The reversal of 87128848 is 84882178.

It is a happy number.

87128848 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 87128798 and 87128807.

It is not an unprimeable number, because it can be changed into a prime (87128843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87336 + ... + 88327.

Almost surely, 2^87128848 is an apocalyptic number.

It is an amenable number.

87128848 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87128848 is a wasteful number, since it uses less digits than its factorization.

87128848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175702 (or 175696 counting only the distinct ones).

The product of its digits is 229376, while the sum is 46.

The square root of 87128848 is about 9334.2834754468. The cubic root of 87128848 is about 443.3234020175.

The spelling of 87128848 in words is "eighty-seven million, one hundred twenty-eight thousand, eight hundred forty-eight".