89576161 has 4 divisors (see below), whose sum is σ = 90125872. Its totient is φ = 89026452.

The previous prime is 89576159. The next prime is 89576167. The reversal of 89576161 is 16167598.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16167598 = 2 ⋅8083799.

It is a cyclic number.

It is not a de Polignac number, because 89576161 - 2¹ = 89576159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89576167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274611 + ... + 274936.

It is an arithmetic number, because the mean of its divisors is an integer number (22531468).

Almost surely, 2^89576161 is an apocalyptic number.

It is an amenable number.

89576161 is a deficient number, since it is larger than the sum of its proper divisors (549711).

89576161 is a wasteful number, since it uses less digits than its factorization.

89576161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549710.

The product of its digits is 90720, while the sum is 43.

The square root of 89576161 is about 9464.4683421733. The cubic root of 89576161 is about 447.4358881552.

The spelling of 89576161 in words is "eighty-nine million, five hundred seventy-six thousand, one hundred sixty-one".