868049167 has 2 divisors, whose sum is σ = 868049168. Its totient is φ = 868049166.

The previous prime is 868049159. The next prime is 868049173. The reversal of 868049167 is 761940868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868049167 - 2³ = 868049159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868049167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868049137) 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, 434024583 + 434024584.

It is an arithmetic number, because the mean of its divisors is an integer number (434024584).

Almost surely, 2^868049167 is an apocalyptic number.

868049167 is a deficient number, since it is larger than the sum of its proper divisors (1).

868049167 is an equidigital number, since it uses as much as digits as its factorization.

868049167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 868049167 is about 29462.6741318571. The cubic root of 868049167 is about 953.9261952728.

The spelling of 868049167 in words is "eight hundred sixty-eight million, forty-nine thousand, one hundred sixty-seven".