28686553169230 has 128 divisors (see below), whose sum is σ = 59295147724800. Its totient is φ = 9900711744000.

The previous prime is 28686553169189. The next prime is 28686553169257. The reversal of 28686553169230 is 3296135568682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21750696 + ... + 23031844.

It is an arithmetic number, because the mean of its divisors is an integer number (463243341600).

Almost surely, 2^{28686553169230} is an apocalyptic number.

28686553169230 is an abundant number, since it is smaller than the sum of its proper divisors (30608594555570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28686553169230 is a wasteful number, since it uses less digits than its factorization.

28686553169230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281346.

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 28686553169230 in words is "twenty-eight trillion, six hundred eighty-six billion, five hundred fifty-three million, one hundred sixty-nine thousand, two hundred thirty".