98666689712 has 20 divisors (see below), whose sum is σ = 191399582976. Its totient is φ = 49273248960.

The previous prime is 98666689687. The next prime is 98666689717. The reversal of 98666689712 is 21798666689.

It is not an unprimeable number, because it can be changed into a prime (98666689717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742448 + ... + 3768719.

Almost surely, 2^98666689712 is an apocalyptic number.

It is an amenable number.

98666689712 is a deficient number, since it is larger than the sum of its proper divisors (92732893264).

98666689712 is a wasteful number, since it uses less digits than its factorization.

98666689712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511996 (or 7511990 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 68.

The spelling of 98666689712 in words is "ninety-eight billion, six hundred sixty-six million, six hundred eighty-nine thousand, seven hundred twelve".