89805609306 has 80 divisors (see below), whose sum is σ = 235326848064. Its totient is φ = 25062016896.

The previous prime is 89805609293. The next prime is 89805609367. The reversal of 89805609306 is 60390650898.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 872095 + ... + 969618.

Almost surely, 2^89805609306 is an apocalyptic number.

89805609306 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

89805609306 is an abundant number, since it is smaller than the sum of its proper divisors (145521238758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89805609306 is a wasteful number, since it uses less digits than its factorization.

89805609306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841777 (or 1841768 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 89805609306 in words is "eighty-nine billion, eight hundred five million, six hundred nine thousand, three hundred six".