8209752359808 has 64 divisors (see below), whose sum is σ = 21835513299600. Its totient is φ = 2733025394688.

The previous prime is 8209752359807. The next prime is 8209752359839. The reversal of 8209752359808 is 8089532579028.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8209752359807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13605591 + ... + 14196182.

Almost surely, 2^{8209752359808} is an apocalyptic number.

It is an amenable number.

8209752359808 is an abundant number, since it is smaller than the sum of its proper divisors (13625760939792).

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

8209752359808 is a wasteful number, since it uses less digits than its factorization.

8209752359808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27802559 (or 27802547 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 66.

The spelling of 8209752359808 in words is "eight trillion, two hundred nine billion, seven hundred fifty-two million, three hundred fifty-nine thousand, eight hundred eight".