426550079 has 2 divisors, whose sum is σ = 426550080. Its totient is φ = 426550078.

The previous prime is 426550039. The next prime is 426550087. The reversal of 426550079 is 970055624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426550079 - 2¹² = 426545983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426550039) 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, 213275039 + 213275040.

It is an arithmetic number, because the mean of its divisors is an integer number (213275040).

Almost surely, 2^426550079 is an apocalyptic number.

426550079 is a deficient number, since it is larger than the sum of its proper divisors (1).

426550079 is an equidigital number, since it uses as much as digits as its factorization.

426550079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 426550079 is about 20653.0888488865. The cubic root of 426550079 is about 752.7602461114.

The spelling of 426550079 in words is "four hundred twenty-six million, five hundred fifty thousand, seventy-nine".