98281647865 has 4 divisors (see below), whose sum is σ = 117937977444. Its totient is φ = 78625318288.

The previous prime is 98281647853. The next prime is 98281647869. The reversal of 98281647865 is 56874618289.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69016018681 + 29265629184 = 262709^2 + 171072^2 .

It is a cyclic number.

It is not a de Polignac number, because 98281647865 - 2¹¹ = 98281645817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98281647797 and 98281647806.

It is not an unprimeable number, because it can be changed into a prime (98281647869) 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, 9828164782 + ... + 9828164791.

It is an arithmetic number, because the mean of its divisors is an integer number (29484494361).

Almost surely, 2^98281647865 is an apocalyptic number.

It is an amenable number.

98281647865 is a deficient number, since it is larger than the sum of its proper divisors (19656329579).

98281647865 is a wasteful number, since it uses less digits than its factorization.

98281647865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19656329578.

The product of its digits is 46448640, while the sum is 64.

The spelling of 98281647865 in words is "ninety-eight billion, two hundred eighty-one million, six hundred forty-seven thousand, eight hundred sixty-five".