938587949786864 has 160 divisors (see below), whose sum is σ = 2095650662064960. Its totient is φ = 403593261465600.

The previous prime is 938587949786791. The next prime is 938587949786917. The reversal of 938587949786864 is 468687949785839.

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 31 ways as a sum of consecutive naturals, for example, 1330605914 + ... + 1331311110.

It is an arithmetic number, because the mean of its divisors is an integer number (13097816637906).

Almost surely, 2^{938587949786864} 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 938587949786864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047825331032480).

938587949786864 is an abundant number, since it is smaller than the sum of its proper divisors (1157062712278096).

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

938587949786864 is a wasteful number, since it uses less digits than its factorization.

938587949786864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710819 (or 710813 counting only the distinct ones).

The product of its digits is 1264146186240, while the sum is 101.

The spelling of 938587949786864 in words is "nine hundred thirty-eight trillion, five hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-six thousand, eight hundred sixty-four".