428775858 has 48 divisors (see below), whose sum is σ = 1063610496. Its totient is φ = 122290560.

The previous prime is 428775803. The next prime is 428775889. The reversal of 428775858 is 858577824.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76810 + ... + 82202.

It is an arithmetic number, because the mean of its divisors is an integer number (22158552).

Almost surely, 2^428775858 is an apocalyptic number.

428775858 is an abundant number, since it is smaller than the sum of its proper divisors (634834638).

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

428775858 is a wasteful number, since it uses less digits than its factorization.

428775858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039 (or 6036 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The square root of 428775858 is about 20706.9036313979. The cubic root of 428775858 is about 754.0673002193.

The spelling of 428775858 in words is "four hundred twenty-eight million, seven hundred seventy-five thousand, eight hundred fifty-eight".