2768284278 has 96 divisors (see below), whose sum is σ = 6483050496. Its totient is φ = 851425344.

The previous prime is 2768284273. The next prime is 2768284279. The reversal of 2768284278 is 8724828672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768284273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1944675 + ... + 1946097.

It is an arithmetic number, because the mean of its divisors is an integer number (67531776).

Almost surely, 2^2768284278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2768284278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3241525248).

2768284278 is an abundant number, since it is smaller than the sum of its proper divisors (3714766218).

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

2768284278 is a wasteful number, since it uses less digits than its factorization.

2768284278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1615 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The square root of 2768284278 is about 52614.4873395151. The cubic root of 2768284278 is about 1404.1178554243.

The spelling of 2768284278 in words is "two billion, seven hundred sixty-eight million, two hundred eighty-four thousand, two hundred seventy-eight".