428678411546 has 16 divisors (see below), whose sum is σ = 801684302400. Its totient is φ = 167017562880.

The previous prime is 428678411509. The next prime is 428678411591. The reversal of 428678411546 is 645114876824.

It is a super-2 number, since 2×428678411546² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428678411491 and 428678411500.

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, 1391812871 + ... + 1391813178.

It is an arithmetic number, because the mean of its divisors is an integer number (50105268900).

Almost surely, 2^428678411546 is an apocalyptic number.

428678411546 is a deficient number, since it is larger than the sum of its proper divisors (373005890854).

428678411546 is a wasteful number, since it uses less digits than its factorization.

428678411546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783626069.

The product of its digits is 10321920, while the sum is 56.

The spelling of 428678411546 in words is "four hundred twenty-eight billion, six hundred seventy-eight million, four hundred eleven thousand, five hundred forty-six".