28268017604 has 24 divisors (see below), whose sum is σ = 50854741728. Its totient is φ = 13740528960.

The previous prime is 28268017567. The next prime is 28268017607. The reversal of 28268017604 is 40671086282.

It is not an unprimeable number, because it can be changed into a prime (28268017607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258122 + ... + 350945.

It is an arithmetic number, because the mean of its divisors is an integer number (2118947572).

Almost surely, 2^28268017604 is an apocalyptic number.

It is an amenable number.

28268017604 is a deficient number, since it is larger than the sum of its proper divisors (22586724124).

28268017604 is a wasteful number, since it uses less digits than its factorization.

28268017604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609395 (or 609393 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 28268017604 in words is "twenty-eight billion, two hundred sixty-eight million, seventeen thousand, six hundred four".