28364528356 has 24 divisors (see below), whose sum is σ = 52648963416. Its totient is φ = 13324861440.

The previous prime is 28364528317. The next prime is 28364528371. The reversal of 28364528356 is 65382546382.

It can be written as a sum of positive squares in 4 ways, for example, as 22548025600 + 5816502756 = 150160^2 + 76266^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 322225 + ... + 400696.

It is an arithmetic number, because the mean of its divisors is an integer number (2193706809).

Almost surely, 2^28364528356 is an apocalyptic number.

It is an amenable number.

28364528356 is a deficient number, since it is larger than the sum of its proper divisors (24284435060).

28364528356 is a wasteful number, since it uses less digits than its factorization.

28364528356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723519 (or 723517 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 28364528356 in words is "twenty-eight billion, three hundred sixty-four million, five hundred twenty-eight thousand, three hundred fifty-six".