426116863 has 2 divisors, whose sum is σ = 426116864. Its totient is φ = 426116862.

The previous prime is 426116843. The next prime is 426116869. The reversal of 426116863 is 368611624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426116863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426116869) 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, 213058431 + 213058432.

It is an arithmetic number, because the mean of its divisors is an integer number (213058432).

Almost surely, 2^426116863 is an apocalyptic number.

426116863 is a deficient number, since it is larger than the sum of its proper divisors (1).

426116863 is an equidigital number, since it uses as much as digits as its factorization.

426116863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 426116863 is about 20642.5982618468. The cubic root of 426116863 is about 752.5053184468.

The spelling of 426116863 in words is "four hundred twenty-six million, one hundred sixteen thousand, eight hundred sixty-three".