28594133604 has 27 divisors (see below), whose sum is σ = 72282180243. Its totient is φ = 9531039672.

The previous prime is 28594133489. The next prime is 28594133621. The reversal of 28594133604 is 40633149582.

The square root of 28594133604 is 169098.

It is a perfect power (a square), and thus also a powerful number.

28594133604 is a `hidden beast` number, since 2 + 8 + 5 + 9 + 4 + 1 + 33 + 604 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28594133604.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1000497 + ... + 1028679.

Almost surely, 2^28594133604 is an apocalyptic number.

28594133604 is the 169098-th square number.

It is an amenable number.

28594133604 is an abundant number, since it is smaller than the sum of its proper divisors (43688046639).

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

28594133604 is an frugal number, since it uses more digits than its factorization.

28594133604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56376 (or 28188 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 28594133604 in words is "twenty-eight billion, five hundred ninety-four million, one hundred thirty-three thousand, six hundred four".