28575745689604 has 12 divisors (see below), whose sum is σ = 50007619658304. Its totient is φ = 14287854358664.

The previous prime is 28575745689593. The next prime is 28575745689611. The reversal of 28575745689604 is 40698654757582.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 790672 + ... + 7601095.

It is an arithmetic number, because the mean of its divisors is an integer number (4167301638192).

Almost surely, 2^{28575745689604} is an apocalyptic number.

It is an amenable number.

28575745689604 is a deficient number, since it is larger than the sum of its proper divisors (21431873968700).

28575745689604 is a wasteful number, since it uses less digits than its factorization.

28575745689604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243074 (or 9243072 counting only the distinct ones).

The product of its (nonzero) digits is 4064256000, while the sum is 76.

The spelling of 28575745689604 in words is "twenty-eight trillion, five hundred seventy-five billion, seven hundred forty-five million, six hundred eighty-nine thousand, six hundred four".