87535567585 has 4 divisors (see below), whose sum is σ = 105042681108. Its totient is φ = 70028454064.

The previous prime is 87535567579. The next prime is 87535567601. The reversal of 87535567585 is 58576553578.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37311171921 + 50224395664 = 193161^2 + 224108^2 .

It is a cyclic number.

It is not a de Polignac number, because 87535567585 - 2¹⁵ = 87535534817 is a prime.

It is a Duffinian 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, 8753556754 + ... + 8753556763.

It is an arithmetic number, because the mean of its divisors is an integer number (26260670277).

Almost surely, 2^87535567585 is an apocalyptic number.

It is an amenable number.

87535567585 is a deficient number, since it is larger than the sum of its proper divisors (17507113523).

87535567585 is a wasteful number, since it uses less digits than its factorization.

87535567585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17507113522.

The product of its digits is 176400000, while the sum is 64.

The spelling of 87535567585 in words is "eighty-seven billion, five hundred thirty-five million, five hundred sixty-seven thousand, five hundred eighty-five".