2812528868 has 12 divisors (see below), whose sum is σ = 4965483180. Its totient is φ = 1393819392.

The previous prime is 2812528843. The next prime is 2812528933. The reversal of 2812528868 is 8688252182.

2812528868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 762974884 + 2049553984 = 27622^2 + 45272^2 .

It is a super-2 number, since 2×2812528868² = 15820637266666722848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3110753 + ... + 3111656.

It is an arithmetic number, because the mean of its divisors is an integer number (413790265).

Almost surely, 2^2812528868 is an apocalyptic number.

It is an amenable number.

2812528868 is a deficient number, since it is larger than the sum of its proper divisors (2152954312).

2812528868 is a wasteful number, since it uses less digits than its factorization.

2812528868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222526 (or 6222524 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The square root of 2812528868 is about 53033.2807584068. The cubic root of 2812528868 is about 1411.5588727856.

The spelling of 2812528868 in words is "two billion, eight hundred twelve million, five hundred twenty-eight thousand, eight hundred sixty-eight".