878426167 has 2 divisors, whose sum is σ = 878426168. Its totient is φ = 878426166.

The previous prime is 878426119. The next prime is 878426177. The reversal of 878426167 is 761624878.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 878426167 - 2⁷ = 878426039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 878426167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (878426117) 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, 439213083 + 439213084.

It is an arithmetic number, because the mean of its divisors is an integer number (439213084).

Almost surely, 2^878426167 is an apocalyptic number.

878426167 is a deficient number, since it is larger than the sum of its proper divisors (1).

878426167 is an equidigital number, since it uses as much as digits as its factorization.

878426167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 49.

The square root of 878426167 is about 29638.2551274531. The cubic root of 878426167 is about 957.7123506053.

The spelling of 878426167 in words is "eight hundred seventy-eight million, four hundred twenty-six thousand, one hundred sixty-seven".