28357828204 has 24 divisors (see below), whose sum is σ = 50746222800. Its totient is φ = 13861563840.

The previous prime is 28357828199. The next prime is 28357828271. The reversal of 28357828204 is 40282875382.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289219 + ... + 374650.

It is an arithmetic number, because the mean of its divisors is an integer number (2114425950).

Almost surely, 2^28357828204 is an apocalyptic number.

It is an amenable number.

28357828204 is a deficient number, since it is larger than the sum of its proper divisors (22388394596).

28357828204 is a wasteful number, since it uses less digits than its factorization.

28357828204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664113 (or 664111 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 28357828204 in words is "twenty-eight billion, three hundred fifty-seven million, eight hundred twenty-eight thousand, two hundred four".