89285664561 has 8 divisors (see below), whose sum is σ = 119059967520. Its totient is φ = 59517568992.

The previous prime is 89285664539. The next prime is 89285664607. The reversal of 89285664561 is 16546658298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89285664561 - 2⁶ = 89285664497 is a prime.

It is a super-2 number, since 2×89285664561² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89285664495 and 89285664504.

It is not an unprimeable number, because it can be changed into a prime (89285664161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518180 + ... + 1575893.

It is an arithmetic number, because the mean of its divisors is an integer number (14882495940).

Almost surely, 2^89285664561 is an apocalyptic number.

It is an amenable number.

89285664561 is a deficient number, since it is larger than the sum of its proper divisors (29774302959).

89285664561 is a wasteful number, since it uses less digits than its factorization.

89285664561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103695.

The product of its digits is 24883200, while the sum is 60.

The spelling of 89285664561 in words is "eighty-nine billion, two hundred eighty-five million, six hundred sixty-four thousand, five hundred sixty-one".