28330000052 has 6 divisors (see below), whose sum is σ = 49577500098. Its totient is φ = 14165000024.

The previous prime is 28330000043. The next prime is 28330000063. The reversal of 28330000052 is 25000003382.

It can be written as a sum of positive squares in only one way, i.e., 28262989456 + 67010596 = 168116^2 + 8186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28329999982 and 28330000027.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3541250003 + ... + 3541250010.

It is an arithmetic number, because the mean of its divisors is an integer number (8262916683).

Almost surely, 2^28330000052 is an apocalyptic number.

It is an amenable number.

28330000052 is a deficient number, since it is larger than the sum of its proper divisors (21247500046).

28330000052 is a wasteful number, since it uses less digits than its factorization.

28330000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082500017 (or 7082500015 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 28330000052 in words is "twenty-eight billion, three hundred thirty million, fifty-two", and thus it is an aban number.