98666666688 has 56 divisors (see below), whose sum is σ = 261803743600. Its totient is φ = 32794629120.

The previous prime is 98666666677. The next prime is 98666666717. The reversal of 98666666688 is 88666666689.

It is a super-2 number, since 2×98666666688² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669223 + ... + 803238.

It is an arithmetic number, because the mean of its divisors is an integer number (4675066850).

Almost surely, 2^98666666688 is an apocalyptic number.

It is an amenable number.

98666666688 is an abundant number, since it is smaller than the sum of its proper divisors (163137076912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98666666688 is a wasteful number, since it uses less digits than its factorization.

98666666688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472825 (or 1472815 counting only the distinct ones).

The product of its digits is 1289945088, while the sum is 75.

Subtracting from 98666666688 its reverse (88666666689), we obtain a palindrome (9999999999).

The spelling of 98666666688 in words is "ninety-eight billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred eighty-eight".