84499986865 has 8 divisors (see below), whose sum is σ = 115885696320. Its totient is φ = 57942848112.

The previous prime is 84499986797. The next prime is 84499986881. The reversal of 84499986865 is 56868999448.

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

It is a cyclic number.

It is not a de Polignac number, because 84499986865 - 2¹¹ = 84499984817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84499986791 and 84499986800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207142635 + ... + 1207142704.

It is an arithmetic number, because the mean of its divisors is an integer number (14485712040).

Almost surely, 2^84499986865 is an apocalyptic number.

It is an amenable number.

84499986865 is a deficient number, since it is larger than the sum of its proper divisors (31385709455).

84499986865 is a wasteful number, since it uses less digits than its factorization.

84499986865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414285351.

The product of its digits is 1074954240, while the sum is 76.

The spelling of 84499986865 in words is "eighty-four billion, four hundred ninety-nine million, nine hundred eighty-six thousand, eight hundred sixty-five".