985464895828 has 144 divisors (see below), whose sum is σ = 2230743836160. Its totient is φ = 371406228480.

The previous prime is 985464895817. The next prime is 985464895829. The reversal of 985464895828 is 828598464589.

985464895828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×985464895828² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985464895829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13228501 + ... + 13302787.

It is an arithmetic number, because the mean of its divisors is an integer number (15491276640).

Almost surely, 2^985464895828 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 985464895828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1115371918080).

985464895828 is an abundant number, since it is smaller than the sum of its proper divisors (1245278940332).

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

985464895828 is a wasteful number, since it uses less digits than its factorization.

985464895828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74406 (or 74373 counting only the distinct ones).

The product of its digits is 1592524800, while the sum is 76.

The spelling of 985464895828 in words is "nine hundred eighty-five billion, four hundred sixty-four million, eight hundred ninety-five thousand, eight hundred twenty-eight".