98886688886666 has 12 divisors (see below), whose sum is σ = 155059562254002. Its totient is φ = 47293633814856.

The previous prime is 98886688886663. The next prime is 98886688886717. The reversal of 98886688886666 is 66668888668889.

It can be written as a sum of positive squares in only one way, i.e., 49848951623641 + 49037737263025 = 7060379^2 + 7002695^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98886688886663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46732838681 + ... + 46732840796.

Almost surely, 2^{98886688886666} is an apocalyptic number.

98886688886666 is a deficient number, since it is larger than the sum of its proper divisors (56172873367336).

98886688886666 is a wasteful number, since it uses less digits than its factorization.

98886688886666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93465679525 (or 93465679502 counting only the distinct ones).

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

The spelling of 98886688886666 in words is "ninety-eight trillion, eight hundred eighty-six billion, six hundred eighty-eight million, eight hundred eighty-six thousand, six hundred sixty-six".