88659966995689 has 16 divisors (see below), whose sum is σ = 94738530839040. Its totient is φ = 82677355050240.

The previous prime is 88659966995627. The next prime is 88659966995711. The reversal of 88659966995689 is 98659966995688.

It is a cyclic number.

It is not a de Polignac number, because 88659966995689 - 2¹⁷ = 88659966864617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88659966995189) 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, 90292002 + ... + 91268644.

It is an arithmetic number, because the mean of its divisors is an integer number (5921158177440).

Almost surely, 2^{88659966995689} is an apocalyptic number.

It is an amenable number.

88659966995689 is a deficient number, since it is larger than the sum of its proper divisors (6078563843351).

88659966995689 is a wasteful number, since it uses less digits than its factorization.

88659966995689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025760.

The product of its digits is 979552051200, while the sum is 103.

Subtracting 88659966995689 from its reverse (98659966995688), we obtain a palindrome (9999999999999).

The spelling of 88659966995689 in words is "eighty-eight trillion, six hundred fifty-nine billion, nine hundred sixty-six million, nine hundred ninety-five thousand, six hundred eighty-nine".