88886666668889 has 32 divisors (see below), whose sum is σ = 94689283530240. Its totient is φ = 83289509452800.

The previous prime is 88886666668859. The next prime is 88886666668909. The reversal of 88886666668889 is 98886666668888.

It is a cyclic number.

It is not a de Polignac number, because 88886666668889 - 2¹⁶ = 88886666603353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88886666668859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206972309 + ... + 207401325.

It is an arithmetic number, because the mean of its divisors is an integer number (2959040110320).

Almost surely, 2^{88886666668889} is an apocalyptic number.

It is an amenable number.

88886666668889 is a deficient number, since it is larger than the sum of its proper divisors (5802616861351).

88886666668889 is a wasteful number, since it uses less digits than its factorization.

88886666668889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430001.

The product of its digits is 880602513408, while the sum is 101.

Subtracting 88886666668889 from its reverse (98886666668888), we obtain a palindrome (9999999999999).

The spelling of 88886666668889 in words is "eighty-eight trillion, eight hundred eighty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, eight hundred eighty-nine".