89705093221 has 8 divisors (see below), whose sum is σ = 89925659000. Its totient is φ = 89484730560.

The previous prime is 89705093183. The next prime is 89705093321. The reversal of 89705093221 is 12239050798.

It can be written as a sum of positive squares in 4 ways, for example, as 26006400225 + 63698692996 = 161265^2 + 252386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89705093221 - 2²⁹ = 89168222309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89705093021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853255 + ... + 952603.

It is an arithmetic number, because the mean of its divisors is an integer number (11240707375).

Almost surely, 2^89705093221 is an apocalyptic number.

It is an amenable number.

89705093221 is a deficient number, since it is larger than the sum of its proper divisors (220565779).

89705093221 is a wasteful number, since it uses less digits than its factorization.

89705093221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101559.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 89705093221 in words is "eighty-nine billion, seven hundred five million, ninety-three thousand, two hundred twenty-one".