87594389 has 8 divisors (see below), whose sum is σ = 92312640. Its totient is φ = 82886976.

The previous prime is 87594383. The next prime is 87594431. The reversal of 87594389 is 98349578.

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 87594389 - 2²⁰ = 86545813 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87594389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87594383) 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, 18029 + ... + 22365.

It is an arithmetic number, because the mean of its divisors is an integer number (11539080).

Almost surely, 2^87594389 is an apocalyptic number.

It is an amenable number.

87594389 is a deficient number, since it is larger than the sum of its proper divisors (4718251).

87594389 is a wasteful number, since it uses less digits than its factorization.

87594389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419.

The product of its digits is 2177280, while the sum is 53.

The square root of 87594389 is about 9359.1874113087. The cubic root of 87594389 is about 444.1115784966. Note that the first 3 decimals are identical.

The spelling of 87594389 in words is "eighty-seven million, five hundred ninety-four thousand, three hundred eighty-nine".