6867778255 has 8 divisors (see below), whose sum is σ = 8875282752. Its totient is φ = 5071590048.

The previous prime is 6867778249. The next prime is 6867778259. The reversal of 6867778255 is 5528777686.

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

It is a cyclic number.

It is not a de Polignac number, because 6867778255 - 2⁹ = 6867777743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6867778193 and 6867778202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867778259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52828999 + ... + 52829128.

It is an arithmetic number, because the mean of its divisors is an integer number (1109410344).

Almost surely, 2^6867778255 is an apocalyptic number.

6867778255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6867778255 is a deficient number, since it is larger than the sum of its proper divisors (2007504497).

6867778255 is a wasteful number, since it uses less digits than its factorization.

6867778255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105658145.

The product of its digits is 39513600, while the sum is 61.

The square root of 6867778255 is about 82872.0595556790. The cubic root of 6867778255 is about 1900.8102043224.

The spelling of 6867778255 in words is "six billion, eight hundred sixty-seven million, seven hundred seventy-eight thousand, two hundred fifty-five".