860455811 has 2 divisors, whose sum is σ = 860455812. Its totient is φ = 860455810.

The previous prime is 860455759. The next prime is 860455873. The reversal of 860455811 is 118554068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860455811 - 2¹⁴ = 860439427 is a prime.

It is not a weakly prime, because it can be changed into another prime (860452811) 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, 430227905 + 430227906.

It is an arithmetic number, because the mean of its divisors is an integer number (430227906).

Almost surely, 2^860455811 is an apocalyptic number.

860455811 is a deficient number, since it is larger than the sum of its proper divisors (1).

860455811 is an equidigital number, since it uses as much as digits as its factorization.

860455811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 860455811 is about 29333.5270807995. The cubic root of 860455811 is about 951.1365201291.

The spelling of 860455811 in words is "eight hundred sixty million, four hundred fifty-five thousand, eight hundred eleven".