87995609 has 16 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 78119040.

The previous prime is 87995603. The next prime is 87995617. The reversal of 87995609 is 90659978.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87995609 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 (87995603) 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, 34829 + ... + 37269.

It is an arithmetic number, because the mean of its divisors is an integer number (6153840).

Almost surely, 2^87995609 is an apocalyptic number.

It is an amenable number.

87995609 is a deficient number, since it is larger than the sum of its proper divisors (10465831).

87995609 is a wasteful number, since it uses less digits than its factorization.

87995609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 87995609 is about 9380.5974756409. The cubic root of 87995609 is about 444.7886198873.

The spelling of 87995609 in words is "eighty-seven million, nine hundred ninety-five thousand, six hundred nine".