426871567 has 2 divisors, whose sum is σ = 426871568. Its totient is φ = 426871566.

The previous prime is 426871493. The next prime is 426871579. The reversal of 426871567 is 765178624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426871567 - 2¹⁵ = 426838799 is a prime.

It is a super-3 number, since 3×426871567³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426875567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213435783 + 213435784.

It is an arithmetic number, because the mean of its divisors is an integer number (213435784).

Almost surely, 2^426871567 is an apocalyptic number.

426871567 is a deficient number, since it is larger than the sum of its proper divisors (1).

426871567 is an equidigital number, since it uses as much as digits as its factorization.

426871567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The square root of 426871567 is about 20660.8704318090. The cubic root of 426871567 is about 752.9493154412.

The spelling of 426871567 in words is "four hundred twenty-six million, eight hundred seventy-one thousand, five hundred sixty-seven".