98766789 has 16 divisors (see below), whose sum is σ = 145088064. Its totient is φ = 59264000.

The previous prime is 98766781. The next prime is 98766793.

98766789 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 98766789 - 2³ = 98766781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98766781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11484 + ... + 18149.

It is an arithmetic number, because the mean of its divisors is an integer number (9068004).

Almost surely, 2^98766789 is an apocalyptic number.

It is an amenable number.

98766789 is a deficient number, since it is larger than the sum of its proper divisors (46321275).

98766789 is a wasteful number, since it uses less digits than its factorization.

98766789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29748.

The product of its digits is 9144576, while the sum is 60.

The square root of 98766789 is about 9938.1481675411. The cubic root of 98766789 is about 462.2429664086.

It can be divided in two parts, 987 and 66789, that added together give a palindrome (67776).

The spelling of 98766789 in words is "ninety-eight million, seven hundred sixty-six thousand, seven hundred eighty-nine".