87485556 has 12 divisors (see below), whose sum is σ = 204132992. Its totient is φ = 29161848.

The previous prime is 87485543. The next prime is 87485611. The reversal of 87485556 is 65558478.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3645220 + ... + 3645243.

Almost surely, 2^87485556 is an apocalyptic number.

It is an amenable number.

87485556 is an abundant number, since it is smaller than the sum of its proper divisors (116647436).

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

87485556 is a wasteful number, since it uses less digits than its factorization.

87485556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290470 (or 7290468 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The square root of 87485556 is about 9353.3713707946. The cubic root of 87485556 is about 443.9275711739.

The spelling of 87485556 in words is "eighty-seven million, four hundred eighty-five thousand, five hundred fifty-six".