28475041994196 has 72 divisors (see below), whose sum is σ = 77493330119520. Its totient is φ = 8114259924288.

The previous prime is 28475041994107. The next prime is 28475041994239. The reversal of 28475041994196 is 69149914057482.

It is a self number, because there is not a number n which added to its sum of digits gives 28475041994196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63664935 + ... + 64110638.

It is an arithmetic number, because the mean of its divisors is an integer number (1076296251660).

Almost surely, 2^{28475041994196} is an apocalyptic number.

It is an amenable number.

28475041994196 is an abundant number, since it is smaller than the sum of its proper divisors (49018288125324).

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

28475041994196 is a wasteful number, since it uses less digits than its factorization.

28475041994196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127775973 (or 127775964 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 28475041994196 in words is "twenty-eight trillion, four hundred seventy-five billion, forty-one million, nine hundred ninety-four thousand, one hundred ninety-six".