2788842685356 has 384 divisors, whose sum is σ = 9134478080000. Its totient is φ = 735497485632.

The previous prime is 2788842685333. The next prime is 2788842685357. The reversal of 2788842685356 is 6535862488872.

2788842685356 is a `hidden beast` number, since 2 + 7 + 8 + 8 + 8 + 4 + 268 + 5 + 356 = 666.

2788842685356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2788842685357) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 81368535 + ... + 81402801.

Almost surely, 2^{2788842685356} is an apocalyptic number.

2788842685356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2788842685356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4567239040000).

2788842685356 is an abundant number, since it is smaller than the sum of its proper divisors (6345635394644).

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

2788842685356 is a wasteful number, since it uses less digits than its factorization.

2788842685356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34340 (or 34292 counting only the distinct ones).

The product of its digits is 1238630400, while the sum is 72.

The spelling of 2788842685356 in words is "two trillion, seven hundred eighty-eight billion, eight hundred forty-two million, six hundred eighty-five thousand, three hundred fifty-six".