864701771 has 2 divisors, whose sum is σ = 864701772. Its totient is φ = 864701770.

The previous prime is 864701743. The next prime is 864701791. The reversal of 864701771 is 177107468.

864701771 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 is a cyclic number.

It is not a de Polignac number, because 864701771 - 2²⁶ = 797592907 is a prime.

It is a Chen prime.

It is equal to p_44296448 and since 864701771 and 44296448 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (864701741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432350885 + 432350886.

It is an arithmetic number, because the mean of its divisors is an integer number (432350886).

Almost surely, 2^864701771 is an apocalyptic number.

864701771 is a deficient number, since it is larger than the sum of its proper divisors (1).

864701771 is an equidigital number, since it uses as much as digits as its factorization.

864701771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 864701771 is about 29405.8118575223. The cubic root of 864701771 is about 952.6984299198.

The spelling of 864701771 in words is "eight hundred sixty-four million, seven hundred one thousand, seven hundred seventy-one".