2856279428 has 6 divisors (see below), whose sum is σ = 4998489006. Its totient is φ = 1428139712.

The previous prime is 2856279421. The next prime is 2856279467. The reversal of 2856279428 is 8249726582.

It can be written as a sum of positive squares in only one way, i.e., 1873331524 + 982947904 = 43282^2 + 31352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2856279428.

It is not an unprimeable number, because it can be changed into a prime (2856279421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357034925 + ... + 357034932.

It is an arithmetic number, because the mean of its divisors is an integer number (833081501).

Almost surely, 2^2856279428 is an apocalyptic number.

It is an amenable number.

2856279428 is a deficient number, since it is larger than the sum of its proper divisors (2142209578).

2856279428 is a wasteful number, since it uses less digits than its factorization.

2856279428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714069861 (or 714069859 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 2856279428 is about 53444.1711321263. The cubic root of 2856279428 is about 1418.8404585456.

The spelling of 2856279428 in words is "two billion, eight hundred fifty-six million, two hundred seventy-nine thousand, four hundred twenty-eight".