8354728865104 has 20 divisors (see below), whose sum is σ = 16187437387476. Its totient is φ = 4177325668352.

The previous prime is 8354728865099. The next prime is 8354728865149. The reversal of 8354728865104 is 4015688274538.

It can be written as a sum of positive squares in 2 ways, for example, as 8203756208400 + 150972656704 = 2864220^2 + 388552^2 .

It is a congruent number.

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, 603259 + ... + 4131994.

Almost surely, 2^{8354728865104} is an apocalyptic number.

It is an amenable number.

8354728865104 is a deficient number, since it is larger than the sum of its proper divisors (7832708522372).

8354728865104 is a wasteful number, since it uses less digits than its factorization.

8354728865104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845534 (or 4845528 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 8354728865104 in words is "eight trillion, three hundred fifty-four billion, seven hundred twenty-eight million, eight hundred sixty-five thousand, one hundred four".