86761111 has 2 divisors, whose sum is σ = 86761112. Its totient is φ = 86761110.

The previous prime is 86761099. The next prime is 86761187. The reversal of 86761111 is 11116768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86761111 - 2⁷ = 86760983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86768111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43380555 + 43380556.

It is an arithmetic number, because the mean of its divisors is an integer number (43380556).

Almost surely, 2^86761111 is an apocalyptic number.

86761111 is a deficient number, since it is larger than the sum of its proper divisors (1).

86761111 is an equidigital number, since it uses as much as digits as its factorization.

86761111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 31.

The square root of 86761111 is about 9314.5644557328. The cubic root of 86761111 is about 442.6988239051.

Adding to 86761111 its reverse (11116768), we get a palindrome (97877879).

The spelling of 86761111 in words is "eighty-six million, seven hundred sixty-one thousand, one hundred eleven".