87540528 has 40 divisors (see below), whose sum is σ = 233445376. Its totient is φ = 28238400.

The previous prime is 87540511. The next prime is 87540529. The reversal of 87540528 is 82504578.

It is not an unprimeable number, because it can be changed into a prime (87540529) 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 7 ways as a sum of consecutive naturals, for example, 27928 + ... + 30903.

Almost surely, 2^87540528 is an apocalyptic number.

It is an amenable number.

87540528 is an abundant number, since it is smaller than the sum of its proper divisors (145904848).

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

87540528 is a wasteful number, since it uses less digits than its factorization.

87540528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58873 (or 58867 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 87540528 is about 9356.3095288687. The cubic root of 87540528 is about 444.0205330980.

The spelling of 87540528 in words is "eighty-seven million, five hundred forty thousand, five hundred twenty-eight".