426435878 has 16 divisors (see below), whose sum is σ = 716665104. Its totient is φ = 188595360.

The previous prime is 426435833. The next prime is 426435899. The reversal of 426435878 is 878534624.

It is a Curzon 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, 261125 + ... + 262752.

It is an arithmetic number, because the mean of its divisors is an integer number (44791569).

Almost surely, 2^426435878 is an apocalyptic number.

426435878 is a deficient number, since it is larger than the sum of its proper divisors (290229226).

426435878 is a wasteful number, since it uses less digits than its factorization.

426435878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523927.

The product of its digits is 1290240, while the sum is 47.

The square root of 426435878 is about 20650.3239199776. The cubic root of 426435878 is about 752.6930608420.

The spelling of 426435878 in words is "four hundred twenty-six million, four hundred thirty-five thousand, eight hundred seventy-eight".