985335706368 has 648 divisors, whose sum is σ = 3289145932800. Its totient is φ = 281919356928.

The previous prime is 985335706349. The next prime is 985335706391. The reversal of 985335706368 is 863607533589.

985335706368 is a `hidden beast` number, since 9 + 8 + 53 + 3 + 570 + 6 + 3 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 770394753 + ... + 770396031.

Almost surely, 2^985335706368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 985335706368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644572966400).

985335706368 is an abundant number, since it is smaller than the sum of its proper divisors (2303810226432).

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

985335706368 is a wasteful number, since it uses less digits than its factorization.

985335706368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 63.

The spelling of 985335706368 in words is "nine hundred eighty-five billion, three hundred thirty-five million, seven hundred six thousand, three hundred sixty-eight".