28794395204 has 12 divisors (see below), whose sum is σ = 50418183228. Its totient is φ = 14389200000.

The previous prime is 28794395183. The next prime is 28794395219. The reversal of 28794395204 is 40259349782.

It can be written as a sum of positive squares in 2 ways, for example, as 4395955204 + 24398440000 = 66302^2 + 156200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991297 + ... + 2005704.

It is an arithmetic number, because the mean of its divisors is an integer number (4201515269).

Almost surely, 2^28794395204 is an apocalyptic number.

It is an amenable number.

28794395204 is a deficient number, since it is larger than the sum of its proper divisors (21623788024).

28794395204 is a wasteful number, since it uses less digits than its factorization.

28794395204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998806 (or 3998804 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 28794395204 in words is "twenty-eight billion, seven hundred ninety-four million, three hundred ninety-five thousand, two hundred four".