89820133585 has 32 divisors (see below), whose sum is σ = 132708183552. Its totient is φ = 56831431680.

The previous prime is 89820133547. The next prime is 89820133591. The reversal of 89820133585 is 58533102898.

It is not a de Polignac number, because 89820133585 - 2¹¹ = 89820131537 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 31 ways as a sum of consecutive naturals, for example, 1197097 + ... + 1269913.

It is an arithmetic number, because the mean of its divisors is an integer number (4147130736).

Almost surely, 2^89820133585 is an apocalyptic number.

It is an amenable number.

89820133585 is a deficient number, since it is larger than the sum of its proper divisors (42888049967).

89820133585 is a wasteful number, since it uses less digits than its factorization.

89820133585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75553.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 89820133585 in words is "eighty-nine billion, eight hundred twenty million, one hundred thirty-three thousand, five hundred eighty-five".