8889725601663 has 16 divisors (see below), whose sum is σ = 12207226959360. Its totient is φ = 5750246331936.

The previous prime is 8889725601623. The next prime is 8889725601671. The reversal of 8889725601663 is 3661065279888.

It is a happy number.

It is not a de Polignac number, because 8889725601663 - 2¹⁶ = 8889725536127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8889725601623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111502795 + ... + 111582492.

It is an arithmetic number, because the mean of its divisors is an integer number (762951684960).

Almost surely, 2^{8889725601663} is an apocalyptic number.

8889725601663 is a deficient number, since it is larger than the sum of its proper divisors (3317501357697).

8889725601663 is a wasteful number, since it uses less digits than its factorization.

8889725601663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223085686.

The product of its (nonzero) digits is 209018880, while the sum is 69.

The spelling of 8889725601663 in words is "eight trillion, eight hundred eighty-nine billion, seven hundred twenty-five million, six hundred one thousand, six hundred sixty-three".