89165677 has 4 divisors (see below), whose sum is σ = 90496576. Its totient is φ = 87834780.

The previous prime is 89165669. The next prime is 89165683. The reversal of 89165677 is 77656198.

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.

It is a cyclic number.

It is not a de Polignac number, because 89165677 - 2³ = 89165669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89165677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89165477) 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, 665349 + ... + 665482.

It is an arithmetic number, because the mean of its divisors is an integer number (22624144).

Almost surely, 2^89165677 is an apocalyptic number.

It is an amenable number.

89165677 is a deficient number, since it is larger than the sum of its proper divisors (1330899).

89165677 is a wasteful number, since it uses less digits than its factorization.

89165677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330898.

The product of its digits is 635040, while the sum is 49.

The square root of 89165677 is about 9442.7579128134. The cubic root of 89165677 is about 446.7513811129.

The spelling of 89165677 in words is "eighty-nine million, one hundred sixty-five thousand, six hundred seventy-seven".