426859778922 has 16 divisors (see below), whose sum is σ = 853734198240. Its totient is φ = 142284152912.

The previous prime is 426859778881. The next prime is 426859778923. The reversal of 426859778922 is 229877958624.

It is a super-3 number, since 3×426859778922³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (426859778923) 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, 210897 + ... + 947732.

It is an arithmetic number, because the mean of its divisors is an integer number (53358387390).

Almost surely, 2^426859778922 is an apocalyptic number.

426859778922 is an abundant number, since it is smaller than the sum of its proper divisors (426874419318).

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

426859778922 is a wasteful number, since it uses less digits than its factorization.

426859778922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220037.

The product of its digits is 243855360, while the sum is 69.

The spelling of 426859778922 in words is "four hundred twenty-six billion, eight hundred fifty-nine million, seven hundred seventy-eight thousand, nine hundred twenty-two".