89591318203 has 4 divisors (see below), whose sum is σ = 94306650760. Its totient is φ = 84875985648.

The previous prime is 89591318147. The next prime is 89591318237. The reversal of 89591318203 is 30281319598.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89591318203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89591318293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357666250 + ... + 2357666287.

It is an arithmetic number, because the mean of its divisors is an integer number (23576662690).

Almost surely, 2^89591318203 is an apocalyptic number.

89591318203 is a deficient number, since it is larger than the sum of its proper divisors (4715332557).

89591318203 is a wasteful number, since it uses less digits than its factorization.

89591318203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715332556.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 89591318203 in words is "eighty-nine billion, five hundred ninety-one million, three hundred eighteen thousand, two hundred three".