87316609 has 8 divisors (see below), whose sum is σ = 92616480. Its totient is φ = 82087200.

The previous prime is 87316597. The next prime is 87316613. The reversal of 87316609 is 90661378.

87316609 is nontrivially palindromic in base 6.

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 87316609 - 2²³ = 78928001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87316109) 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, 15052 + ... + 20029.

It is an arithmetic number, because the mean of its divisors is an integer number (11577060).

Almost surely, 2^87316609 is an apocalyptic number.

It is an amenable number.

87316609 is a deficient number, since it is larger than the sum of its proper divisors (5299871).

87316609 is a wasteful number, since it uses less digits than its factorization.

87316609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35231.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 87316609 is about 9344.3356639196. The cubic root of 87316609 is about 443.6416246880.

The spelling of 87316609 in words is "eighty-seven million, three hundred sixteen thousand, six hundred nine".