2768806278 has 24 divisors (see below), whose sum is σ = 6856092048. Its totient is φ = 791087472.

The previous prime is 2768806273. The next prime is 2768806279. The reversal of 2768806278 is 8726088672.

2768806278 is a `hidden beast` number, since 2 + 7 + 6 + 8 + 8 + 0 + 627 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768806273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10987201 + ... + 10987452.

It is an arithmetic number, because the mean of its divisors is an integer number (285670502).

Almost surely, 2^2768806278 is an apocalyptic number.

2768806278 is an abundant number, since it is smaller than the sum of its proper divisors (4087285770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2768806278 is a wasteful number, since it uses less digits than its factorization.

2768806278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21974668 (or 21974665 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The square root of 2768806278 is about 52619.4477166000. The cubic root of 2768806278 is about 1404.2061054476.

The spelling of 2768806278 in words is "two billion, seven hundred sixty-eight million, eight hundred six thousand, two hundred seventy-eight".