89421773 has 4 divisors (see below), whose sum is σ = 102196320. Its totient is φ = 76647228.

The previous prime is 89421767. The next prime is 89421781. The reversal of 89421773 is 37712498.

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 not a de Polignac number, because 89421773 - 2¹⁶ = 89356237 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 89421773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89421713) 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, 6387263 + ... + 6387276.

It is an arithmetic number, because the mean of its divisors is an integer number (25549080).

Almost surely, 2^89421773 is an apocalyptic number.

It is an amenable number.

89421773 is a deficient number, since it is larger than the sum of its proper divisors (12774547).

89421773 is a wasteful number, since it uses less digits than its factorization.

89421773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12774546.

The product of its digits is 84672, while the sum is 41.

The square root of 89421773 is about 9456.3086349801. The cubic root of 89421773 is about 447.1786826078.

The spelling of 89421773 in words is "eighty-nine million, four hundred twenty-one thousand, seven hundred seventy-three".