89390865329 has 4 divisors (see below), whose sum is σ = 89398657380. Its totient is φ = 89383073280.

The previous prime is 89390865313. The next prime is 89390865401. The reversal of 89390865329 is 92356809398.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61325569600 + 28065295729 = 247640^2 + 167527^2 .

It is a cyclic number.

It is not a de Polignac number, because 89390865329 - 2⁴ = 89390865313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89390865029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878792 + ... + 3901769.

It is an arithmetic number, because the mean of its divisors is an integer number (22349664345).

Almost surely, 2^89390865329 is an apocalyptic number.

It is an amenable number.

89390865329 is a deficient number, since it is larger than the sum of its proper divisors (7792051).

89390865329 is a wasteful number, since it uses less digits than its factorization.

89390865329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792050.

The product of its (nonzero) digits is 25194240, while the sum is 62.

The spelling of 89390865329 in words is "eighty-nine billion, three hundred ninety million, eight hundred sixty-five thousand, three hundred twenty-nine".