838843749099 has 48 divisors (see below), whose sum is σ = 1289718612000. Its totient is φ = 523558683648.

The previous prime is 838843749077. The next prime is 838843749113. The reversal of 838843749099 is 990947348838.

838843749099 is a `hidden beast` number, since 8 + 3 + 8 + 8 + 43 + 7 + 490 + 99 = 666.

It is not a de Polignac number, because 838843749099 - 2¹⁷ = 838843618027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (838843749599) 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, 22354597 + ... + 22392089.

It is an arithmetic number, because the mean of its divisors is an integer number (26869137750).

Almost surely, 2^838843749099 is an apocalyptic number.

838843749099 is a deficient number, since it is larger than the sum of its proper divisors (450874862901).

838843749099 is a wasteful number, since it uses less digits than its factorization.

838843749099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38284 (or 38281 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 72.

The spelling of 838843749099 in words is "eight hundred thirty-eight billion, eight hundred forty-three million, seven hundred forty-nine thousand, ninety-nine".