6812840255 has 8 divisors (see below), whose sum is σ = 8804285952. Its totient is φ = 5031020448.

The previous prime is 6812840233. The next prime is 6812840297. The reversal of 6812840255 is 5520482186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6812840255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52406399 + ... + 52406528.

It is an arithmetic number, because the mean of its divisors is an integer number (1100535744).

Almost surely, 2^6812840255 is an apocalyptic number.

6812840255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6812840255 is a deficient number, since it is larger than the sum of its proper divisors (1991445697).

6812840255 is a wasteful number, since it uses less digits than its factorization.

6812840255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104812945.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 6812840255 is about 82539.9312757165. The cubic root of 6812840255 is about 1895.7281918177.

The spelling of 6812840255 in words is "six billion, eight hundred twelve million, eight hundred forty thousand, two hundred fifty-five".