426859778888 has 32 divisors (see below), whose sum is σ = 842519188800. Its totient is φ = 202188869568.

The previous prime is 426859778881. The next prime is 426859778923. The reversal of 426859778888 is 888877958624.

It is a super-3 number, since 3×426859778888³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (426859778881) 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, 6248645 + ... + 6316587.

It is an arithmetic number, because the mean of its divisors is an integer number (26328724650).

Almost surely, 2^426859778888 is an apocalyptic number.

It is an amenable number.

426859778888 is a deficient number, since it is larger than the sum of its proper divisors (415659409912).

426859778888 is a wasteful number, since it uses less digits than its factorization.

426859778888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109301 (or 109297 counting only the distinct ones).

The product of its digits is 3468165120, while the sum is 80.

The spelling of 426859778888 in words is "four hundred twenty-six billion, eight hundred fifty-nine million, seven hundred seventy-eight thousand, eight hundred eighty-eight".