28245662197804 has 12 divisors (see below), whose sum is σ = 49435909863984. Its totient is φ = 14121116522384.

The previous prime is 28245662197591. The next prime is 28245662197817. The reversal of 28245662197804 is 40879126654282.

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, 428607064 + ... + 428672959.

It is an arithmetic number, because the mean of its divisors is an integer number (4119659155332).

Almost surely, 2^{28245662197804} is an apocalyptic number.

It is an amenable number.

28245662197804 is a deficient number, since it is larger than the sum of its proper divisors (21190247666180).

28245662197804 is a wasteful number, since it uses less digits than its factorization.

28245662197804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857288264 (or 857288262 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 28245662197804 in words is "twenty-eight trillion, two hundred forty-five billion, six hundred sixty-two million, one hundred ninety-seven thousand, eight hundred four".