98789009 has 8 divisors (see below), whose sum is σ = 108838080. Its totient is φ = 88918000.

The previous prime is 98788969. The next prime is 98789011. The reversal of 98789009 is 90098789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98789009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98789029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43349 + ... + 45570.

It is an arithmetic number, because the mean of its divisors is an integer number (13604760).

Almost surely, 2^98789009 is an apocalyptic number.

It is an amenable number.

98789009 is a deficient number, since it is larger than the sum of its proper divisors (10049071).

98789009 is a wasteful number, since it uses less digits than its factorization.

98789009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89031.

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 98789009 is about 9939.2660191787. The cubic root of 98789009 is about 462.2776280888.

The spelling of 98789009 in words is "ninety-eight million, seven hundred eighty-nine thousand, nine".