6878783811 has 8 divisors (see below), whose sum is σ = 9570481920. Its totient is φ = 4386470792.

The previous prime is 6878783801. The next prime is 6878783851. The reversal of 6878783811 is 1183878786.

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 6878783811 - 2⁷ = 6878783683 is a prime.

It is a super-3 number, since 3×6878783811³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6878783801) 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, 49846191 + ... + 49846328.

It is an arithmetic number, because the mean of its divisors is an integer number (1196310240).

Almost surely, 2^6878783811 is an apocalyptic number.

6878783811 is a deficient number, since it is larger than the sum of its proper divisors (2691698109).

6878783811 is a wasteful number, since it uses less digits than its factorization.

6878783811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99692545.

The product of its digits is 3612672, while the sum is 57.

The square root of 6878783811 is about 82938.4338590982. The cubic root of 6878783811 is about 1901.8250064842.

The spelling of 6878783811 in words is "six billion, eight hundred seventy-eight million, seven hundred eighty-three thousand, eight hundred eleven".