426005077 has 2 divisors, whose sum is σ = 426005078. Its totient is φ = 426005076.

The previous prime is 426005059. The next prime is 426005089. The reversal of 426005077 is 770500624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422466916 + 3538161 = 20554^2 + 1881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426005077 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 (426005017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213002538 + 213002539.

It is an arithmetic number, because the mean of its divisors is an integer number (213002539).

Almost surely, 2^426005077 is an apocalyptic number.

It is an amenable number.

426005077 is a deficient number, since it is larger than the sum of its proper divisors (1).

426005077 is an equidigital number, since it uses as much as digits as its factorization.

426005077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 426005077 is about 20639.8904309107. The cubic root of 426005077 is about 752.4395094917.

The spelling of 426005077 in words is "four hundred twenty-six million, five thousand, seventy-seven".