89601844128 has 48 divisors (see below), whose sum is σ = 235220993280. Its totient is φ = 29865230336.

The previous prime is 89601844117. The next prime is 89601844183. The reversal of 89601844128 is 82144810698.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×89601844128² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2126368 + ... + 2168096.

It is an arithmetic number, because the mean of its divisors is an integer number (4900437360).

Almost surely, 2^89601844128 is an apocalyptic number.

It is an amenable number.

89601844128 is an abundant number, since it is smaller than the sum of its proper divisors (145619149152).

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

89601844128 is a wasteful number, since it uses less digits than its factorization.

89601844128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64109 (or 64101 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 89601844128 in words is "eighty-nine billion, six hundred one million, eight hundred forty-four thousand, one hundred twenty-eight".