89628442087441 has 4 divisors (see below), whose sum is σ = 89804529400500. Its totient is φ = 89452354774384.

The previous prime is 89628442087409. The next prime is 89628442087451. The reversal of 89628442087441 is 14478024482698.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47709356582416 + 41919085505025 = 6907196^2 + 6474495^2 .

It is a cyclic number.

It is not a de Polignac number, because 89628442087441 - 2⁵ = 89628442087409 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89628442087451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88043655766 + ... + 88043656783.

It is an arithmetic number, because the mean of its divisors is an integer number (22451132350125).

Almost surely, 2^{89628442087441} is an apocalyptic number.

It is an amenable number.

89628442087441 is a deficient number, since it is larger than the sum of its proper divisors (176087313059).

89628442087441 is a wasteful number, since it uses less digits than its factorization.

89628442087441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176087313058.

The product of its (nonzero) digits is 198180864, while the sum is 67.

The spelling of 89628442087441 in words is "eighty-nine trillion, six hundred twenty-eight billion, four hundred forty-two million, eighty-seven thousand, four hundred forty-one".