89432311321 has 4 divisors (see below), whose sum is σ = 89433056272. Its totient is φ = 89431566372.

The previous prime is 89432311291. The next prime is 89432311361. The reversal of 89432311321 is 12311323498.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 89432311321 - 2⁵ = 89432311289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89432311361) 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, 146835 + ... + 447688.

It is an arithmetic number, because the mean of its divisors is an integer number (22358264068).

Almost surely, 2^89432311321 is an apocalyptic number.

It is an amenable number.

89432311321 is a deficient number, since it is larger than the sum of its proper divisors (744951).

89432311321 is a wasteful number, since it uses less digits than its factorization.

89432311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744950.

The product of its digits is 31104, while the sum is 37.

The spelling of 89432311321 in words is "eighty-nine billion, four hundred thirty-two million, three hundred eleven thousand, three hundred twenty-one".