838425842860 has 36 divisors (see below), whose sum is σ = 1858239674928. Its totient is φ = 317719264032.

The previous prime is 838425842851. The next prime is 838425842897. The reversal of 838425842860 is 68248524838.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 838425842795 and 838425842804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58055512 + ... + 58069951.

It is an arithmetic number, because the mean of its divisors is an integer number (51617768748).

Almost surely, 2^838425842860 is an apocalyptic number.

It is an amenable number.

838425842860 is an abundant number, since it is smaller than the sum of its proper divisors (1019813832068).

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

838425842860 is a wasteful number, since it uses less digits than its factorization.

838425842860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116125510 (or 116125489 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 58.

The spelling of 838425842860 in words is "eight hundred thirty-eight billion, four hundred twenty-five million, eight hundred forty-two thousand, eight hundred sixty".