87682128 has 20 divisors (see below), whose sum is σ = 226512288. Its totient is φ = 29227360.

The previous prime is 87682123. The next prime is 87682129. The reversal of 87682128 is 82128678.

It is a self number, because there is not a number n which added to its sum of digits gives 87682128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87682121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 913308 + ... + 913403.

Almost surely, 2^87682128 is an apocalyptic number.

It is an amenable number.

87682128 is an abundant number, since it is smaller than the sum of its proper divisors (138830160).

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

87682128 is a wasteful number, since it uses less digits than its factorization.

87682128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826722 (or 1826716 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 87682128 is about 9363.8735574547. The cubic root of 87682128 is about 444.2598106052.

The spelling of 87682128 in words is "eighty-seven million, six hundred eighty-two thousand, one hundred twenty-eight".