75986089 has 9 divisors (see below), whose sum is σ = 79643613. Its totient is φ = 72490572.

The previous prime is 75986083. The next prime is 75986101. The reversal of 75986089 is 98068957.

The square root of 75986089 is 8717.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 75986089 - 2⁹ = 75985577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75986083) 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 8 ways as a sum of consecutive naturals, for example, 200302 + ... + 200680.

Almost surely, 2^75986089 is an apocalyptic number.

75986089 is the 8717-th square number.

75986089 is the 4359-th centered octagonal number.

It is an amenable number.

75986089 is a deficient number, since it is larger than the sum of its proper divisors (3657524).

75986089 is an frugal number, since it uses more digits than its factorization.

75986089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The cubic root of 75986089 is about 423.5565127512.

The spelling of 75986089 in words is "seventy-five million, nine hundred eighty-six thousand, eighty-nine".