98658765645 has 16 divisors (see below), whose sum is σ = 172204391232. Its totient is φ = 47834552960.

The previous prime is 98658765643. The next prime is 98658765701. The reversal of 98658765645 is 54656785689.

It is not a de Polignac number, because 98658765645 - 2¹ = 98658765643 is a prime.

It is a super-3 number, since 3×98658765645³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 98658765645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98658765643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298965792 + ... + 298966121.

It is an arithmetic number, because the mean of its divisors is an integer number (10762774452).

Almost surely, 2^98658765645 is an apocalyptic number.

It is an amenable number.

98658765645 is a deficient number, since it is larger than the sum of its proper divisors (73545625587).

98658765645 is a wasteful number, since it uses less digits than its factorization.

98658765645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597931932.

The product of its digits is 435456000, while the sum is 69.

The spelling of 98658765645 in words is "ninety-eight billion, six hundred fifty-eight million, seven hundred sixty-five thousand, six hundred forty-five".