87543472 has 20 divisors (see below), whose sum is σ = 179593416. Its totient is φ = 41196800.

The previous prime is 87543461. The next prime is 87543493. The reversal of 87543472 is 27434578.

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, 160654 + ... + 161197.

Almost surely, 2^87543472 is an apocalyptic number.

It is an amenable number.

87543472 is an abundant number, since it is smaller than the sum of its proper divisors (92049944).

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

87543472 is a wasteful number, since it uses less digits than its factorization.

87543472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321876 (or 321870 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 87543472 is about 9356.4668545344. The cubic root of 87543472 is about 444.0255105327.

The spelling of 87543472 in words is "eighty-seven million, five hundred forty-three thousand, four hundred seventy-two".