6855789135 has 32 divisors (see below), whose sum is σ = 11817344448. Its totient is φ = 3373931520.

The previous prime is 6855789119. The next prime is 6855789173. The reversal of 6855789135 is 5319875586.

It is a happy number.

It is not a de Polignac number, because 6855789135 - 2⁴ = 6855789119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 778155 + ... + 786915.

It is an arithmetic number, because the mean of its divisors is an integer number (369292014).

Almost surely, 2^6855789135 is an apocalyptic number.

6855789135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6855789135 is a deficient number, since it is larger than the sum of its proper divisors (4961555313).

6855789135 is a wasteful number, since it uses less digits than its factorization.

6855789135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12795.

The product of its digits is 9072000, while the sum is 57.

The square root of 6855789135 is about 82799.6928436332. The cubic root of 6855789135 is about 1899.7034749623.

The spelling of 6855789135 in words is "six billion, eight hundred fifty-five million, seven hundred eighty-nine thousand, one hundred thirty-five".