838208551108 has 48 divisors (see below), whose sum is σ = 1548820224000. Its totient is φ = 395825246208.

The previous prime is 838208551099. The next prime is 838208551109. The reversal of 838208551108 is 801155802838.

It is not an unprimeable number, because it can be changed into a prime (838208551109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 78266058 + ... + 78276766.

It is an arithmetic number, because the mean of its divisors is an integer number (32267088000).

Almost surely, 2^838208551108 is an apocalyptic number.

It is an amenable number.

838208551108 is a deficient number, since it is larger than the sum of its proper divisors (710611672892).

838208551108 is a wasteful number, since it uses less digits than its factorization.

838208551108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13804 (or 13802 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 49.

The spelling of 838208551108 in words is "eight hundred thirty-eight billion, two hundred eight million, five hundred fifty-one thousand, one hundred eight".