986535019866 has 16 divisors (see below), whose sum is σ = 2152440043488. Its totient is φ = 298950006000.

The previous prime is 986535019853. The next prime is 986535019867. The reversal of 986535019866 is 668910535689.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 14947500301 = 986535019866 / (9 + 8 + 6 + 5 + 3 + 5 + 0 + 1 + 9 + 8 + 6 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 986535019797 and 986535019806.

It is not an unprimeable number, because it can be changed into a prime (986535019867) 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 7 ways as a sum of consecutive naturals, for example, 7473750085 + ... + 7473750216.

It is an arithmetic number, because the mean of its divisors is an integer number (134527502718).

Almost surely, 2^986535019866 is an apocalyptic number.

986535019866 is an abundant number, since it is smaller than the sum of its proper divisors (1165905023622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

986535019866 is a wasteful number, since it uses less digits than its factorization.

986535019866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947500317.

The product of its (nonzero) digits is 83980800, while the sum is 66.

Multiplying 986535019866 by its sum of digits (66), we get a palindrome (65111311311156).

The spelling of 986535019866 in words is "nine hundred eighty-six billion, five hundred thirty-five million, nineteen thousand, eight hundred sixty-six".