426783067 has 2 divisors, whose sum is σ = 426783068. Its totient is φ = 426783066.

The previous prime is 426783061. The next prime is 426783103. The reversal of 426783067 is 760387624.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426783067 is a prime.

It is not a weakly prime, because it can be changed into another prime (426783061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213391533 + 213391534.

It is an arithmetic number, because the mean of its divisors is an integer number (213391534).

Almost surely, 2^426783067 is an apocalyptic number.

426783067 is a deficient number, since it is larger than the sum of its proper divisors (1).

426783067 is an equidigital number, since it uses as much as digits as its factorization.

426783067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 426783067 is about 20658.7285910823. The cubic root of 426783067 is about 752.8972774473.

The spelling of 426783067 in words is "four hundred twenty-six million, seven hundred eighty-three thousand, sixty-seven".