838146908097 has 12 divisors (see below), whose sum is σ = 1274375416080. Its totient is φ = 529355941848.

The previous prime is 838146908041. The next prime is 838146908111. The reversal of 838146908097 is 790809641838.

838146908097 is a `hidden beast` number, since 8 + 3 + 8 + 1 + 469 + 0 + 80 + 97 = 666.

It is not a de Polignac number, because 838146908097 - 2¹¹ = 838146906049 is a prime.

It is a super-2 number, since 2×838146908097² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (838146908017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2450721783 + ... + 2450722124.

It is an arithmetic number, because the mean of its divisors is an integer number (106197951340).

Almost surely, 2^838146908097 is an apocalyptic number.

It is an amenable number.

838146908097 is a deficient number, since it is larger than the sum of its proper divisors (436228507983).

838146908097 is a wasteful number, since it uses less digits than its factorization.

838146908097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901443932 (or 4901443929 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 838146908097 in words is "eight hundred thirty-eight billion, one hundred forty-six million, nine hundred eight thousand, ninety-seven".