87036609 has 16 divisors (see below), whose sum is σ = 127765440. Its totient is φ = 52263360.

The previous prime is 87036589. The next prime is 87036613. The reversal of 87036609 is 90663078.

It is not a de Polignac number, because 87036609 - 2¹² = 87032513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87036629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8502 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (7985340).

Almost surely, 2^87036609 is an apocalyptic number.

It is an amenable number.

87036609 is a deficient number, since it is larger than the sum of its proper divisors (40728831).

87036609 is a wasteful number, since it uses less digits than its factorization.

87036609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24320.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 87036609 is about 9329.3412950754. The cubic root of 87036609 is about 443.1669052631.

The spelling of 87036609 in words is "eighty-seven million, thirty-six thousand, six hundred nine".