6802778911 has 8 divisors (see below), whose sum is σ = 7087855104. Its totient is φ = 6521804760.

The previous prime is 6802778881. The next prime is 6802778951. The reversal of 6802778911 is 1198772086.

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 6802778911 - 2⁷ = 6802778783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6802778951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022125 + ... + 1028758.

It is an arithmetic number, because the mean of its divisors is an integer number (885981888).

Almost surely, 2^6802778911 is an apocalyptic number.

6802778911 is a deficient number, since it is larger than the sum of its proper divisors (285076193).

6802778911 is a wasteful number, since it uses less digits than its factorization.

6802778911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051021.

The product of its (nonzero) digits is 338688, while the sum is 49.

The square root of 6802778911 is about 82478.9604141565. The cubic root of 6802778911 is about 1894.7945151189.

The spelling of 6802778911 in words is "six billion, eight hundred two million, seven hundred seventy-eight thousand, nine hundred eleven".