2782068856 has 64 divisors (see below), whose sum is σ = 6011712000. Its totient is φ = 1182342528.

The previous prime is 2782068851. The next prime is 2782068857. The reversal of 2782068856 is 6588602872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782068851) 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 15 ways as a sum of consecutive naturals, for example, 5530701 + ... + 5531203.

It is an arithmetic number, because the mean of its divisors is an integer number (93933000).

Almost surely, 2^2782068856 is an apocalyptic number.

It is an amenable number.

2782068856 is an abundant number, since it is smaller than the sum of its proper divisors (3229643144).

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

2782068856 is a wasteful number, since it uses less digits than its factorization.

2782068856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The square root of 2782068856 is about 52745.3207024092. The cubic root of 2782068856 is about 1406.4445835341. Note that the first 3 decimals are identical.

The spelling of 2782068856 in words is "two billion, seven hundred eighty-two million, sixty-eight thousand, eight hundred fifty-six".