428450866876 has 24 divisors (see below), whose sum is σ = 759941028000. Its totient is φ = 211335826944.

The previous prime is 428450866849. The next prime is 428450866997. The reversal of 428450866876 is 678668054824.

It is a congruent number.

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, 1214461 + ... + 1527028.

It is an arithmetic number, because the mean of its divisors is an integer number (31664209500).

Almost surely, 2^428450866876 is an apocalyptic number.

It is an amenable number.

428450866876 is a deficient number, since it is larger than the sum of its proper divisors (331490161124).

428450866876 is a wasteful number, since it uses less digits than its factorization.

428450866876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742021 (or 2742019 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 64.

The spelling of 428450866876 in words is "four hundred twenty-eight billion, four hundred fifty million, eight hundred sixty-six thousand, eight hundred seventy-six".