83568881351904 has 384 divisors, whose sum is σ = 263930630584320. Its totient is φ = 22872703795200.

The previous prime is 83568881351897. The next prime is 83568881351909. The reversal of 83568881351904 is 40915318886538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83568881351909) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 169460569 + ... + 169952999.

It is an arithmetic number, because the mean of its divisors is an integer number (687319350480).

Almost surely, 2^{83568881351904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83568881351904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131965315292160).

83568881351904 is an abundant number, since it is smaller than the sum of its proper divisors (180361749232416).

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

83568881351904 is a wasteful number, since it uses less digits than its factorization.

83568881351904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492914 (or 492906 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 69.

The spelling of 83568881351904 in words is "eighty-three trillion, five hundred sixty-eight billion, eight hundred eighty-one million, three hundred fifty-one thousand, nine hundred four".