89512545665448 has 96 divisors (see below), whose sum is σ = 243279959106600. Its totient is φ = 29732995252224.

The previous prime is 89512545665437. The next prime is 89512545665467. The reversal of 89512545665448 is 84456654521598.

89512545665448 is a `hidden beast` number, since 8 + 9 + 5 + 1 + 2 + 5 + 4 + 566 + 54 + 4 + 8 = 666.

It is a Cunningham number, because it is equal to 9461107²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 81976763026404 + 7535782639044 = 9054102^2 + 2745138^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36661786 + ... + 39027062.

Almost surely, 2^{89512545665448} is an apocalyptic number.

It is an amenable number.

89512545665448 is an abundant number, since it is smaller than the sum of its proper divisors (153767413441152).

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

89512545665448 is a wasteful number, since it uses less digits than its factorization.

89512545665448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367131 (or 2367124 counting only the distinct ones).

The product of its digits is 1658880000, while the sum is 72.

The spelling of 89512545665448 in words is "eighty-nine trillion, five hundred twelve billion, five hundred forty-five million, six hundred sixty-five thousand, four hundred forty-eight".