98665599 has 8 divisors (see below), whose sum is σ = 131710720. Its totient is φ = 65698776.

The previous prime is 98665579. The next prime is 98665621. The reversal of 98665599 is 99556689.

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

It is a de Polignac number, because none of the positive numbers 2^k-98665599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98665579) 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, 16567 + ... + 21720.

It is an arithmetic number, because the mean of its divisors is an integer number (16463840).

Almost surely, 2^98665599 is an apocalyptic number.

98665599 is a deficient number, since it is larger than the sum of its proper divisors (33045121).

98665599 is a wasteful number, since it uses less digits than its factorization.

98665599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39149.

The product of its digits is 5248800, while the sum is 57.

The square root of 98665599 is about 9933.0558742011. The cubic root of 98665599 is about 462.0850511508.

The spelling of 98665599 in words is "ninety-eight million, six hundred sixty-five thousand, five hundred ninety-nine".