89723089 has 4 divisors (see below), whose sum is σ = 89786880. Its totient is φ = 89659300.

The previous prime is 89723077. The next prime is 89723147. The reversal of 89723089 is 98032798.

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 89723089 - 2⁵ = 89723057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89723489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29737 + ... + 32614.

It is an arithmetic number, because the mean of its divisors is an integer number (22446720).

Almost surely, 2^89723089 is an apocalyptic number.

It is an amenable number.

89723089 is a deficient number, since it is larger than the sum of its proper divisors (63791).

89723089 is a wasteful number, since it uses less digits than its factorization.

89723089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63790.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 89723089 is about 9472.2272460071. The cubic root of 89723089 is about 447.6803912617.

The spelling of 89723089 in words is "eighty-nine million, seven hundred twenty-three thousand, eighty-nine".