28687804375594 has 64 divisors (see below), whose sum is σ = 55833759055872. Its totient is φ = 10749244708800.

The previous prime is 28687804375577. The next prime is 28687804375609. The reversal of 28687804375594 is 49557340878682.

It is a self number, because there is not a number n which added to its sum of digits gives 28687804375594.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53827242 + ... + 54357589.

It is an arithmetic number, because the mean of its divisors is an integer number (872402485248).

Almost surely, 2^{28687804375594} is an apocalyptic number.

28687804375594 is a deficient number, since it is larger than the sum of its proper divisors (27145954680278).

28687804375594 is a wasteful number, since it uses less digits than its factorization.

28687804375594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108184931.

The product of its (nonzero) digits is 3251404800, while the sum is 76.

The spelling of 28687804375594 in words is "twenty-eight trillion, six hundred eighty-seven billion, eight hundred four million, three hundred seventy-five thousand, five hundred ninety-four".