6812678776 has 8 divisors (see below), whose sum is σ = 12773772720. Its totient is φ = 3406339384.

The previous prime is 6812678773. The next prime is 6812678783. The reversal of 6812678776 is 6778762186.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6812678776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6812678773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425792416 + ... + 425792431.

It is an arithmetic number, because the mean of its divisors is an integer number (1596721590).

Almost surely, 2^6812678776 is an apocalyptic number.

It is an amenable number.

6812678776 is a deficient number, since it is larger than the sum of its proper divisors (5961093944).

6812678776 is a wasteful number, since it uses less digits than its factorization.

6812678776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851584853 (or 851584849 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 58.

The square root of 6812678776 is about 82538.9530827718. The cubic root of 6812678776 is about 1895.7132140845.

The spelling of 6812678776 in words is "six billion, eight hundred twelve million, six hundred seventy-eight thousand, seven hundred seventy-six".