87585028 has 24 divisors (see below), whose sum is σ = 157116960. Its totient is φ = 42706560.

The previous prime is 87585019. The next prime is 87585053. The reversal of 87585028 is 82058578.

It is a super-2 number, since 2×87585028² = 15342274259521568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29500 + ... + 32332.

It is an arithmetic number, because the mean of its divisors is an integer number (6546540).

Almost surely, 2^87585028 is an apocalyptic number.

It is an amenable number.

87585028 is a deficient number, since it is larger than the sum of its proper divisors (69531932).

87585028 is a wasteful number, since it uses less digits than its factorization.

87585028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 87585028 is about 9358.6873011123. The cubic root of 87585028 is about 444.0957575571.

The spelling of 87585028 in words is "eighty-seven million, five hundred eighty-five thousand, twenty-eight".