863768089 has 2 divisors, whose sum is σ = 863768090. Its totient is φ = 863768088.

The previous prime is 863768053. The next prime is 863768111. The reversal of 863768089 is 980867368.

863768089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 621654489 + 242113600 = 24933^2 + 15560^2 .

It is a cyclic number.

It is not a de Polignac number, because 863768089 - 2⁹ = 863767577 is a prime.

It is a super-3 number, since 3×863768089³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (863768029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431884044 + 431884045.

It is an arithmetic number, because the mean of its divisors is an integer number (431884045).

Almost surely, 2^863768089 is an apocalyptic number.

It is an amenable number.

863768089 is a deficient number, since it is larger than the sum of its proper divisors (1).

863768089 is an equidigital number, since it uses as much as digits as its factorization.

863768089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 863768089 is about 29389.9317624250. The cubic root of 863768089 is about 952.3554069429.

The spelling of 863768089 in words is "eight hundred sixty-three million, seven hundred sixty-eight thousand, eighty-nine".