426684678 has 16 divisors (see below), whose sum is σ = 975279360. Its totient is φ = 121909896.

The previous prime is 426684673. The next prime is 426684679. The reversal of 426684678 is 876486624.

It is a self number, because there is not a number n which added to its sum of digits gives 426684678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426684673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5079538 + ... + 5079621.

It is an arithmetic number, because the mean of its divisors is an integer number (60954960).

Almost surely, 2^426684678 is an apocalyptic number.

426684678 is an abundant number, since it is smaller than the sum of its proper divisors (548594682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426684678 is a wasteful number, since it uses less digits than its factorization.

426684678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10159171.

The product of its digits is 3096576, while the sum is 51.

The square root of 426684678 is about 20656.3471601346. The cubic root of 426684678 is about 752.8394162768.

The spelling of 426684678 in words is "four hundred twenty-six million, six hundred eighty-four thousand, six hundred seventy-eight".