985289831604 has 72 divisors (see below), whose sum is σ = 2682303653120. Its totient is φ = 303151885632.

The previous prime is 985289831569. The next prime is 985289831623. The reversal of 985289831604 is 406138982589.

985289831604 is a `hidden beast` number, since 9 + 8 + 528 + 98 + 3 + 16 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14548629 + ... + 14616195.

Almost surely, 2^985289831604 is an apocalyptic number.

It is an amenable number.

985289831604 is an abundant number, since it is smaller than the sum of its proper divisors (1697013821516).

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

985289831604 is a wasteful number, since it uses less digits than its factorization.

985289831604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98749 (or 98744 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 985289831604 in words is "nine hundred eighty-five billion, two hundred eighty-nine million, eight hundred thirty-one thousand, six hundred four".