985724329388 has 6 divisors (see below), whose sum is σ = 1725017576436. Its totient is φ = 492862164692.

The previous prime is 985724329297. The next prime is 985724329423. The reversal of 985724329388 is 883923427589.

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 as a sum of consecutive naturals, namely, 123215541170 + ... + 123215541177.

It is an arithmetic number, because the mean of its divisors is an integer number (287502929406).

Almost surely, 2^985724329388 is an apocalyptic number.

It is an amenable number.

985724329388 is a deficient number, since it is larger than the sum of its proper divisors (739293247048).

985724329388 is a wasteful number, since it uses less digits than its factorization.

985724329388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246431082351 (or 246431082349 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 68.

The spelling of 985724329388 in words is "nine hundred eighty-five billion, seven hundred twenty-four million, three hundred twenty-nine thousand, three hundred eighty-eight".