7868544011 has 2 divisors, whose sum is σ = 7868544012. Its totient is φ = 7868544010.

The previous prime is 7868543989. The next prime is 7868544041. The reversal of 7868544011 is 1104458687.

7868544011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7868544011 is a prime.

It is not a weakly prime, because it can be changed into another prime (7868544041) 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 as a sum of consecutive naturals, namely, 3934272005 + 3934272006.

It is an arithmetic number, because the mean of its divisors is an integer number (3934272006).

Almost surely, 2^7868544011 is an apocalyptic number.

7868544011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868544011 is an equidigital number, since it uses as much as digits as its factorization.

7868544011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 7868544011 is about 88704.8139110838. The cubic root of 7868544011 is about 1988.9847780707.

The spelling of 7868544011 in words is "seven billion, eight hundred sixty-eight million, five hundred forty-four thousand, eleven".