89747327556 has 18 divisors (see below), whose sum is σ = 226861300302. Its totient is φ = 29915775840.

The previous prime is 89747327533. The next prime is 89747327581. The reversal of 89747327556 is 65572374798.

89747327556 is a `hidden beast` number, since 8 + 9 + 7 + 4 + 73 + 2 + 7 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66455684100 + 23291643456 = 257790^2 + 152616^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 89747327493 and 89747327502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1246490625 + ... + 1246490696.

Almost surely, 2^89747327556 is an apocalyptic number.

It is an amenable number.

89747327556 is an abundant number, since it is smaller than the sum of its proper divisors (137113972746).

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

89747327556 is a wasteful number, since it uses less digits than its factorization.

89747327556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492981331 (or 2492981326 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 89747327556 in words is "eighty-nine billion, seven hundred forty-seven million, three hundred twenty-seven thousand, five hundred fifty-six".