868904167 has 2 divisors, whose sum is σ = 868904168. Its totient is φ = 868904166.

The previous prime is 868904161. The next prime is 868904203. The reversal of 868904167 is 761409868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868904167 - 2³ = 868904159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868904167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868904161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434452083 + 434452084.

It is an arithmetic number, because the mean of its divisors is an integer number (434452084).

Almost surely, 2^868904167 is an apocalyptic number.

868904167 is a deficient number, since it is larger than the sum of its proper divisors (1).

868904167 is an equidigital number, since it uses as much as digits as its factorization.

868904167 is an evil number, because the sum of its binary digits is even.

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

The square root of 868904167 is about 29477.1804452190. The cubic root of 868904167 is about 954.2392878534.

The spelling of 868904167 in words is "eight hundred sixty-eight million, nine hundred four thousand, one hundred sixty-seven".