88666688666689 has 8 divisors (see below), whose sum is σ = 101335120367360. Its totient is φ = 75998697438816.

The previous prime is 88666688666627. The next prime is 88666688666711. The reversal of 88666688666689 is 98666688666688.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88666688666689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88666688666689.

It is not an unprimeable number, because it can be changed into a prime (88666688664689) 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, 109686729 + ... + 110492134.

It is an arithmetic number, because the mean of its divisors is an integer number (12666890045920).

Almost surely, 2^{88666688666689} is an apocalyptic number.

It is an amenable number.

88666688666689 is a deficient number, since it is larger than the sum of its proper divisors (12668431700671).

88666688666689 is a wasteful number, since it uses less digits than its factorization.

88666688666689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220236399.

The product of its digits is 495338913792, while the sum is 97.

Subtracting 88666688666689 from its reverse (98666688666688), we obtain a palindrome (9999999999999).

The spelling of 88666688666689 in words is "eighty-eight trillion, six hundred sixty-six billion, six hundred eighty-eight million, six hundred sixty-six thousand, six hundred eighty-nine".