426782843 has 2 divisors, whose sum is σ = 426782844. Its totient is φ = 426782842.

The previous prime is 426782809. The next prime is 426782861. The reversal of 426782843 is 348287624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426782843 - 2²² = 422588539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426782794 and 426782803.

It is not a weakly prime, because it can be changed into another prime (426782143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213391421 + 213391422.

It is an arithmetic number, because the mean of its divisors is an integer number (213391422).

Almost surely, 2^426782843 is an apocalyptic number.

426782843 is a deficient number, since it is larger than the sum of its proper divisors (1).

426782843 is an equidigital number, since it uses as much as digits as its factorization.

426782843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 44.

The square root of 426782843 is about 20658.7231696443. The cubic root of 426782843 is about 752.8971457262.

The spelling of 426782843 in words is "four hundred twenty-six million, seven hundred eighty-two thousand, eight hundred forty-three".