7868111 has 2 divisors, whose sum is σ = 7868112. Its totient is φ = 7868110.

The previous prime is 7868099. The next prime is 7868131. The reversal of 7868111 is 1118687.

7868111 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 not a de Polignac number, because 7868111 - 2¹⁸ = 7605967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7868131) 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, 3934055 + 3934056.

It is an arithmetic number, because the mean of its divisors is an integer number (3934056).

Almost surely, 2^7868111 is an apocalyptic number.

7868111 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868111 is an equidigital number, since it uses as much as digits as its factorization.

7868111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 32.

The square root of 7868111 is about 2805.0153297264. The cubic root of 7868111 is about 198.8948292367.

The spelling of 7868111 in words is "seven million, eight hundred sixty-eight thousand, one hundred eleven".