28230706828844 has 48 divisors (see below), whose sum is σ = 54420657021696. Its totient is φ = 12734327174400.

The previous prime is 28230706828843. The next prime is 28230706828879. The reversal of 28230706828844 is 44882860703282.

It is a super-2 number, since 2×28230706828844² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28230706828843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27845852 + ... + 28841859.

It is an arithmetic number, because the mean of its divisors is an integer number (1133763687952).

Almost surely, 2^{28230706828844} is an apocalyptic number.

It is an amenable number.

28230706828844 is a deficient number, since it is larger than the sum of its proper divisors (26189950192852).

28230706828844 is a wasteful number, since it uses less digits than its factorization.

28230706828844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56687946 (or 56687944 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 62.

The spelling of 28230706828844 in words is "twenty-eight trillion, two hundred thirty billion, seven hundred six million, eight hundred twenty-eight thousand, eight hundred forty-four".