2788857770827 has 16 divisors (see below), whose sum is σ = 2820113604000. Its totient is φ = 2757769297920.

The previous prime is 2788857770779. The next prime is 2788857770851. The reversal of 2788857770827 is 7280777588872.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2788857770827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788857770857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45200983 + ... + 45262639.

It is an arithmetic number, because the mean of its divisors is an integer number (176257100250).

Almost surely, 2^{2788857770827} is an apocalyptic number.

2788857770827 is a deficient number, since it is larger than the sum of its proper divisors (31255833173).

2788857770827 is a wasteful number, since it uses less digits than its factorization.

2788857770827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63006.

The product of its (nonzero) digits is 1376829440, while the sum is 76.

The spelling of 2788857770827 in words is "two trillion, seven hundred eighty-eight billion, eight hundred fifty-seven million, seven hundred seventy thousand, eight hundred twenty-seven".