426078805 has 8 divisors (see below), whose sum is σ = 516566232. Its totient is φ = 337348608.

The previous prime is 426078799. The next prime is 426078811. The reversal of 426078805 is 508870624.

It is an interprime number because it is at equal distance from previous prime (426078799) and next prime (426078811).

It can be written as a sum of positive squares in 4 ways, for example, as 84235684 + 341843121 = 9178^2 + 18489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426078805 - 2³ = 426078797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438772 + ... + 439741.

It is an arithmetic number, because the mean of its divisors is an integer number (64570779).

Almost surely, 2^426078805 is an apocalyptic number.

It is an amenable number.

426078805 is a deficient number, since it is larger than the sum of its proper divisors (90487427).

426078805 is an equidigital number, since it uses as much as digits as its factorization.

426078805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878615.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 426078805 is about 20641.6764096330. The cubic root of 426078805 is about 752.4829148117.

The spelling of 426078805 in words is "four hundred twenty-six million, seventy-eight thousand, eight hundred five".