810116287 has 2 divisors, whose sum is σ = 810116288. Its totient is φ = 810116286.

The previous prime is 810116267. The next prime is 810116309. The reversal of 810116287 is 782611018.

810116287 is digitally balanced in base 2, 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 810116287 - 2⁷ = 810116159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810116227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405058143 + 405058144.

It is an arithmetic number, because the mean of its divisors is an integer number (405058144).

Almost surely, 2^810116287 is an apocalyptic number.

810116287 is a deficient number, since it is larger than the sum of its proper divisors (1).

810116287 is an equidigital number, since it uses as much as digits as its factorization.

810116287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 810116287 is about 28462.5418225428. The cubic root of 810116287 is about 932.2143583857.

The spelling of 810116287 in words is "eight hundred ten million, one hundred sixteen thousand, two hundred eighty-seven".