87548209 has 8 divisors (see below), whose sum is σ = 101943360. Its totient is φ = 73625136.

The previous prime is 87548171. The next prime is 87548221. The reversal of 87548209 is 90284578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87548209 - 2¹⁷ = 87417137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87548269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117619 + ... + 118360.

It is an arithmetic number, because the mean of its divisors is an integer number (12742920).

Almost surely, 2^87548209 is an apocalyptic number.

It is an amenable number.

87548209 is a deficient number, since it is larger than the sum of its proper divisors (14395151).

87548209 is a wasteful number, since it uses less digits than its factorization.

87548209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236039.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 87548209 is about 9356.7199915355. The cubic root of 87548209 is about 444.0335191668.

The spelling of 87548209 in words is "eighty-seven million, five hundred forty-eight thousand, two hundred nine".