985801570872 has 32 divisors (see below), whose sum is σ = 2571656273280. Its totient is φ = 314313544160.

The previous prime is 985801570841. The next prime is 985801570907. The reversal of 985801570872 is 278075108589.

It is a congruent number.

It is an unprimeable number.

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, 892935654 + ... + 892936757.

It is an arithmetic number, because the mean of its divisors is an integer number (80364258540).

Almost surely, 2^985801570872 is an apocalyptic number.

985801570872 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

985801570872 is an abundant number, since it is smaller than the sum of its proper divisors (1585854702408).

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

985801570872 is a wasteful number, since it uses less digits than its factorization.

985801570872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785872443 (or 1785872439 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 60.

The spelling of 985801570872 in words is "nine hundred eighty-five billion, eight hundred one million, five hundred seventy thousand, eight hundred seventy-two".