87695609 has 8 divisors (see below), whose sum is σ = 89243520. Its totient is φ = 86158800.

The previous prime is 87695599. The next prime is 87695627. The reversal of 87695609 is 90659678.

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 87695609 - 2¹⁶ = 87630073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87695669) 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, 14039 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (11155440).

Almost surely, 2^87695609 is an apocalyptic number.

It is an amenable number.

87695609 is a deficient number, since it is larger than the sum of its proper divisors (1547911).

87695609 is a wasteful number, since it uses less digits than its factorization.

87695609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 87695609 is about 9364.5933707770. The cubic root of 87695609 is about 444.2825775389.

The spelling of 87695609 in words is "eighty-seven million, six hundred ninety-five thousand, six hundred nine".