28696563831150 has 96 divisors (see below), whose sum is σ = 79213949848800. Its totient is φ = 7638967929600.

The previous prime is 28696563831149. The next prime is 28696563831179. The reversal of 28696563831150 is 5113836569682.

It is a happy number.

28696563831150 is a `hidden beast` number, since 2 + 8 + 6 + 9 + 6 + 563 + 8 + 3 + 11 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17910861 + ... + 19447160.

It is an arithmetic number, because the mean of its divisors is an integer number (825145310925).

Almost surely, 2^{28696563831150} is an apocalyptic number.

28696563831150 is an abundant number, since it is smaller than the sum of its proper divisors (50517386017650).

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

28696563831150 is a wasteful number, since it uses less digits than its factorization.

28696563831150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37358611 (or 37358600 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 63.

The spelling of 28696563831150 in words is "twenty-eight trillion, six hundred ninety-six billion, five hundred sixty-three million, eight hundred thirty-one thousand, one hundred fifty".