89105440221 has 12 divisors (see below), whose sum is σ = 147094695072. Its totient is φ = 50917394376.

The previous prime is 89105440199. The next prime is 89105440273. The reversal of 89105440221 is 12204450198.

89105440221 is a `hidden beast` number, since 8 + 91 + 0 + 544 + 0 + 2 + 21 = 666.

It is not a de Polignac number, because 89105440221 - 2⁶ = 89105440157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89105440121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707185971 + ... + 707186096.

It is an arithmetic number, because the mean of its divisors is an integer number (12257891256).

Almost surely, 2^89105440221 is an apocalyptic number.

It is an amenable number.

89105440221 is a deficient number, since it is larger than the sum of its proper divisors (57989254851).

89105440221 is a wasteful number, since it uses less digits than its factorization.

89105440221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414372080 (or 1414372077 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 89105440221 in words is "eighty-nine billion, one hundred five million, four hundred forty thousand, two hundred twenty-one".