8385838155 has 48 divisors (see below), whose sum is σ = 14699187360. Its totient is φ = 4422242304.

The previous prime is 8385838147. The next prime is 8385838159. The reversal of 8385838155 is 5518385838.

8385838155 is a `hidden beast` number, since 8 + 3 + 8 + 583 + 8 + 1 + 55 = 666.

It is not a de Polignac number, because 8385838155 - 2³ = 8385838147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8385838159) 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, 2828704 + ... + 2831666.

It is an arithmetic number, because the mean of its divisors is an integer number (306233070).

Almost surely, 2^8385838155 is an apocalyptic number.

8385838155 is a deficient number, since it is larger than the sum of its proper divisors (6313349205).

8385838155 is a wasteful number, since it uses less digits than its factorization.

8385838155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3657 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 54.

The square root of 8385838155 is about 91574.2221097182. Note that the first 3 decimals coincide. The cubic root of 8385838155 is about 2031.6496862974.

The spelling of 8385838155 in words is "eight billion, three hundred eighty-five million, eight hundred thirty-eight thousand, one hundred fifty-five".