426778859934 has 80 divisors (see below), whose sum is σ = 1122453534048. Its totient is φ = 118641215808.

The previous prime is 426778859929. The next prime is 426778859951. The reversal of 426778859934 is 439958877624.

426778859934 is a `hidden beast` number, since 4 + 26 + 7 + 7 + 8 + 8 + 599 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5043829 + ... + 5127744.

Almost surely, 2^426778859934 is an apocalyptic number.

426778859934 is an abundant number, since it is smaller than the sum of its proper divisors (695674674114).

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

426778859934 is a wasteful number, since it uses less digits than its factorization.

426778859934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171631 (or 10171622 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 426778859934 in words is "four hundred twenty-six billion, seven hundred seventy-eight million, eight hundred fifty-nine thousand, nine hundred thirty-four".