89534921205 has 16 divisors (see below), whose sum is σ = 143347800960. Its totient is φ = 47721315648.

The previous prime is 89534921191. The next prime is 89534921209. The reversal of 89534921205 is 50212943598.

It is a happy number.

It is not a de Polignac number, because 89534921205 - 2⁶ = 89534921141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89534921209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890982 + ... + 1937751.

It is an arithmetic number, because the mean of its divisors is an integer number (8959237560).

Almost surely, 2^89534921205 is an apocalyptic number.

It is an amenable number.

89534921205 is a deficient number, since it is larger than the sum of its proper divisors (53812879755).

89534921205 is a wasteful number, since it uses less digits than its factorization.

89534921205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830300.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 89534921205 in words is "eighty-nine billion, five hundred thirty-four million, nine hundred twenty-one thousand, two hundred five".