28228830052 has 12 divisors (see below), whose sum is σ = 49511969136. Its totient is φ = 14082553160.

The previous prime is 28228830023. The next prime is 28228830083. The reversal of 28228830052 is 25003882282.

It is a super-2 number, since 2×28228830052² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28228829987 and 28228830014.

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, 7963474 + ... + 7967017.

It is an arithmetic number, because the mean of its divisors is an integer number (4125997428).

Almost surely, 2^28228830052 is an apocalyptic number.

It is an amenable number.

28228830052 is a deficient number, since it is larger than the sum of its proper divisors (21283139084).

28228830052 is a wasteful number, since it uses less digits than its factorization.

28228830052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15930938 (or 15930936 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 28228830052 in words is "twenty-eight billion, two hundred twenty-eight million, eight hundred thirty thousand, fifty-two".